Subtract 70/15 from 14/28, Solve 14/28

Subtract 70/15 from 14/28

1^st number: 14/28, 2^nd number: 4 10/15

14/28 - 70/15 is -25/6.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 28 × 15 = 420,
14/28 = 14 × 15/28 × 15 = 210/420
Likewise, for the 2nd fraction, since 15 × 28 = 420,
70/15 = 70 × 28/15 × 28 = 1960/420
Subtract the two like fractions:
210/420 - 1960/420 = 210 - 1960/420 = -1750/420
After reducing the fraction, the answer is -25/6

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