Subtract 8/42 from 60/20
1st number: 3 0/20, 2nd number: 8/42
60/20 - 8/42 is 59/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
60/20 = 60 × 21/20 × 21 = 1260/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
8/42 = 8 × 10/42 × 10 = 80/420 - Subtract the two like fractions:
1260/420 - 80/420 = 1260 - 80/420 = 1180/420 - After reducing the fraction, the answer is 59/21
- In mixed form: 217/21
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