Subtract 70/35 from 20/14
1st number: 1 6/14, 2nd number: 2 0/35
20/14 - 70/35 is -4/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 14 × 5 = 70,
20/14 = 20 × 5/14 × 5 = 100/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
70/35 = 70 × 2/35 × 2 = 140/70 - Subtract the two like fractions:
100/70 - 140/70 = 100 - 140/70 = -40/70 - After reducing the fraction, the answer is -4/7
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