Subtract 20/70 from 42/35
1st number: 1 7/35, 2nd number: 20/70
42/35 - 20/70 is 32/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 70 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 70 × 1 = 70,
20/70 = 20 × 1/70 × 1 = 20/70 - Subtract the two like fractions:
84/70 - 20/70 = 84 - 20/70 = 64/70 - After reducing the fraction, the answer is 32/35
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