Subtract 5/7 from 70/25, Solve 2 20/25

Subtract 5/7 from 70/25

1^st number: 2 20/25, 2^nd number: 5/7

70/25 - 5/7 is 73/35.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 7 is 175

Next, find the equivalent fraction of both fractional numbers with denominator 175
For the 1st fraction, since 25 × 7 = 175,
70/25 = 70 × 7/25 × 7 = 490/175
Likewise, for the 2nd fraction, since 7 × 25 = 175,
5/7 = 5 × 25/7 × 25 = 125/175
Subtract the two like fractions:
490/175 - 125/175 = 490 - 125/175 = 365/175
After reducing the fraction, the answer is 73/35
In mixed form: 23/35

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