Subtract 10/20 from 27/35
27/35 - 10/20 is 19/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
27/35 = 27 × 4/35 × 4 = 108/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
10/20 = 10 × 7/20 × 7 = 70/140 - Subtract the two like fractions:
108/140 - 70/140 = 108 - 70/140 = 38/140 - After reducing the fraction, the answer is 19/70
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