Subtract 75/35 from 40/28
1st number: 1 12/28, 2nd number: 2 5/35
40/28 - 75/35 is -5/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
40/28 = 40 × 5/28 × 5 = 200/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
75/35 = 75 × 4/35 × 4 = 300/140 - Subtract the two like fractions:
200/140 - 300/140 = 200 - 300/140 = -100/140 - After reducing the fraction, the answer is -5/7
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