Subtract 84/20 from 56/70
1st number: 56/70, 2nd number: 4 4/20
56/70 - 84/20 is -17/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
56/70 = 56 × 2/70 × 2 = 112/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
84/20 = 84 × 7/20 × 7 = 588/140 - Subtract the two like fractions:
112/140 - 588/140 = 112 - 588/140 = -476/140 - After reducing the fraction, the answer is -17/5
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