Subtract 40/28 from 24/20
1st number: 1 4/20, 2nd number: 1 12/28
24/20 - 40/28 is -8/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
24/20 = 24 × 7/20 × 7 = 168/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
40/28 = 40 × 5/28 × 5 = 200/140 - Subtract the two like fractions:
168/140 - 200/140 = 168 - 200/140 = -32/140 - After reducing the fraction, the answer is -8/35
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