Subtract 84/20 from 28/35
1st number: 28/35, 2nd number: 4 4/20
28/35 - 84/20 is -17/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
28/35 = 28 × 4/35 × 4 = 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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