Subtract 10/28 from 15/25
15/25 - 10/28 is 17/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 25 × 28 = 700,
15/25 = 15 × 28/25 × 28 = 420/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
10/28 = 10 × 25/28 × 25 = 250/700 - Subtract the two like fractions:
420/700 - 250/700 = 420 - 250/700 = 170/700 - After reducing the fraction, the answer is 17/70
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