Subtract 15/28 from 10/35
10/35 - 15/28 is -1/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
10/35 = 10 × 4/35 × 4 = 40/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
15/28 = 15 × 5/28 × 5 = 75/140 - Subtract the two like fractions:
40/140 - 75/140 = 40 - 75/140 = -35/140 - After reducing the fraction, the answer is -1/4
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