Subtract 42/30 from 49/56
1st number: 49/56, 2nd number: 1 12/30
49/56 - 42/30 is -21/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
49/56 = 49 × 15/56 × 15 = 735/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
42/30 = 42 × 28/30 × 28 = 1176/840 - Subtract the two like fractions:
735/840 - 1176/840 = 735 - 1176/840 = -441/840 - After reducing the fraction, the answer is -21/40
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