Subtract 27/40 from 36/15, Solve 2 6/15

Subtract 27/40 from 36/15

1^st number: 2 6/15, 2^nd number: 27/40

36/15 - 27/40 is 69/40.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 15 × 8 = 120,
36/15 = 36 × 8/15 × 8 = 288/120
Likewise, for the 2nd fraction, since 40 × 3 = 120,
27/40 = 27 × 3/40 × 3 = 81/120
Subtract the two like fractions:
288/120 - 81/120 = 288 - 81/120 = 207/120
After reducing the fraction, the answer is 69/40
In mixed form: 129/40

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