Subtract 3/60 from 80/42
1st number: 1 38/42, 2nd number: 3/60
80/42 - 3/60 is 779/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
80/42 = 80 × 10/42 × 10 = 800/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
3/60 = 3 × 7/60 × 7 = 21/420 - Subtract the two like fractions:
800/420 - 21/420 = 800 - 21/420 = 779/420 - In mixed form: 1359/420
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