Subtract 70/60 from 9/7, Solve 1 2/7

Subtract 70/60 from 9/7

1^st number: 1 2/7, 2^nd number: 1 10/60

9/7 - 70/60 is 5/42.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 60 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 7 × 60 = 420,
9/7 = 9 × 60/7 × 60 = 540/420
Likewise, for the 2nd fraction, since 60 × 7 = 420,
70/60 = 70 × 7/60 × 7 = 490/420
Subtract the two like fractions:
540/420 - 490/420 = 540 - 490/420 = 50/420
After reducing the fraction, the answer is 5/42

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