Subtract 15/9 from 60/7, Solve 8 4/7

Subtract 15/9 from 60/7

1^st number: 8 4/7, 2^nd number: 1 6/9

60/7 - 15/9 is 145/21.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63

Next, find the equivalent fraction of both fractional numbers with denominator 63
For the 1st fraction, since 7 × 9 = 63,
60/7 = 60 × 9/7 × 9 = 540/63
Likewise, for the 2nd fraction, since 9 × 7 = 63,
15/9 = 15 × 7/9 × 7 = 105/63
Subtract the two like fractions:
540/63 - 105/63 = 540 - 105/63 = 435/63
After reducing the fraction, the answer is 145/21
In mixed form: 619/21

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