Subtract 10/42 from 20/60
20/60 - 10/42 is 2/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
20/60 = 20 × 7/60 × 7 = 140/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
10/42 = 10 × 10/42 × 10 = 100/420 - Subtract the two like fractions:
140/420 - 100/420 = 140 - 100/420 = 40/420 - After reducing the fraction, the answer is 2/21
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