Subtract 75/35 from 28/42
1st number: 28/42, 2nd number: 2 5/35
28/42 - 75/35 is -31/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
28/42 = 28 × 5/42 × 5 = 140/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
75/35 = 75 × 6/35 × 6 = 450/210 - Subtract the two like fractions:
140/210 - 450/210 = 140 - 450/210 = -310/210 - After reducing the fraction, the answer is -31/21
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