Subtract 15/28 from 9/10
9/10 - 15/28 is 51/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
9/10 = 9 × 14/10 × 14 = 126/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
15/28 = 15 × 5/28 × 5 = 75/140 - Subtract the two like fractions:
126/140 - 75/140 = 126 - 75/140 = 51/140
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