The answer is to that is 100
25times 4
numerator = top part of the fraction
denominator = bottom part of the fraction
* means multiply
a.
you can only add the numerator when the denominator is the same
cant add the denominator
denominator has to be the same
1/5 = 4/20
4/20 + 7/20 = 11/20
b.
1 7/8 = 15/8
3/4 ÷ 15/8 =
3/4 * 8/15 =
24/60 = divide both top and bottom by 12 =
2/5
Blue: = because the equal sign is stating that it’s the same.
Answer:






Step-by-step explanation:
Solving (i):

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Collect like terms


Solving (ii)

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Solving (iii)

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Solving (iv)

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Solving (v):

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Solving (vi)

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Least common multiple of 8, 12, and 30 is 2