Subtract 6/28 from 15/30
15/30 - 6/28 is 2/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
15/30 = 15 × 14/30 × 14 = 210/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
6/28 = 6 × 15/28 × 15 = 90/420 - Subtract the two like fractions:
210/420 - 90/420 = 210 - 90/420 = 120/420 - After reducing the fraction, the answer is 2/7
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