Subtract 20/35 from 27/21
1st number: 1 6/21, 2nd number: 20/35
27/21 - 20/35 is 5/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
27/21 = 27 × 5/21 × 5 = 135/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
20/35 = 20 × 3/35 × 3 = 60/105 - Subtract the two like fractions:
135/105 - 60/105 = 135 - 60/105 = 75/105 - After reducing the fraction, the answer is 5/7
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