Subtract 42/30 from 48/28
1st number: 1 20/28, 2nd number: 1 12/30
48/28 - 42/30 is 11/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
48/28 = 48 × 15/28 × 15 = 720/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
42/30 = 42 × 14/30 × 14 = 588/420 - Subtract the two like fractions:
720/420 - 588/420 = 720 - 588/420 = 132/420 - After reducing the fraction, the answer is 11/35
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