Subtract 8/10 from 10/28
10/28 - 8/10 is -31/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
10/28 = 10 × 5/28 × 5 = 50/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
8/10 = 8 × 14/10 × 14 = 112/140 - Subtract the two like fractions:
50/140 - 112/140 = 50 - 112/140 = -62/140 - After reducing the fraction, the answer is -31/70
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