Subtract 27/10 from 42/35
1st number: 1 7/35, 2nd number: 2 7/10
42/35 - 27/10 is -3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
42/35 = 42 × 2/35 × 2 = 84/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
27/10 = 27 × 7/10 × 7 = 189/70 - Subtract the two like fractions:
84/70 - 189/70 = 84 - 189/70 = -105/70 - After reducing the fraction, the answer is -3/2
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