Subtract 15/70 from 20/35
20/35 - 15/70 is 5/14.
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,
20/35 = 20 × 2/35 × 2 = 40/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
15/70 = 15 × 1/70 × 1 = 15/70 - Subtract the two like fractions:
40/70 - 15/70 = 40 - 15/70 = 25/70 - After reducing the fraction, the answer is 5/14
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