Subtract 70/15 from 14/40, Solve 14/40

Subtract 70/15 from 14/40

1^st number: 14/40, 2^nd number: 4 10/15

14/40 - 70/15 is -259/60.

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

Next, find the equivalent fraction of both fractional numbers with denominator 120
For the 1st fraction, since 40 × 3 = 120,
14/40 = 14 × 3/40 × 3 = 42/120
Likewise, for the 2nd fraction, since 15 × 8 = 120,
70/15 = 70 × 8/15 × 8 = 560/120
Subtract the two like fractions:
42/120 - 560/120 = 42 - 560/120 = -518/120
After reducing the fraction, the answer is -259/60

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