Subtract 2/42 from 20/35
20/35 - 2/42 is 11/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
20/35 = 20 × 6/35 × 6 = 120/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
2/42 = 2 × 5/42 × 5 = 10/210 - Subtract the two like fractions:
120/210 - 10/210 = 120 - 10/210 = 110/210 - After reducing the fraction, the answer is 11/21
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