Subtract 70/56 from 20/30
1st number: 20/30, 2nd number: 1 14/56
20/30 - 70/56 is -7/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
20/30 = 20 × 28/30 × 28 = 560/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
70/56 = 70 × 15/56 × 15 = 1050/840 - Subtract the two like fractions:
560/840 - 1050/840 = 560 - 1050/840 = -490/840 - After reducing the fraction, the answer is -7/12
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