Subtract 28/80 from 49/42
1st number: 1 7/42, 2nd number: 28/80
49/42 - 28/80 is 49/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 42 × 40 = 1680,
49/42 = 49 × 40/42 × 40 = 1960/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
28/80 = 28 × 21/80 × 21 = 588/1680 - Subtract the two like fractions:
1960/1680 - 588/1680 = 1960 - 588/1680 = 1372/1680 - After reducing the fraction, the answer is 49/60
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