Subtract 4/80 from 49/42
1st number: 1 7/42, 2nd number: 4/80
49/42 - 4/80 is 67/60.
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,
4/80 = 4 × 21/80 × 21 = 84/1680 - Subtract the two like fractions:
1960/1680 - 84/1680 = 1960 - 84/1680 = 1876/1680 - After reducing the fraction, the answer is 67/60
- In mixed form: 17/60
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