Subtract 72/35 from 15/9, Solve 1 6/9

Subtract 72/35 from 15/9

1^st number: 1 6/9, 2^nd number: 2 2/35

15/9 - 72/35 is -41/105.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 35 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 9 × 35 = 315,
15/9 = 15 × 35/9 × 35 = 525/315
Likewise, for the 2nd fraction, since 35 × 9 = 315,
72/35 = 72 × 9/35 × 9 = 648/315
Subtract the two like fractions:
525/315 - 648/315 = 525 - 648/315 = -123/315
After reducing the fraction, the answer is -41/105

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