Subtract 42/6 from 49/80
1st number: 49/80, 2nd number: 7 0/6
49/80 - 42/6 is -511/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 6 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
49/80 = 49 × 3/80 × 3 = 147/240 - Likewise, for the 2nd fraction, since 6 × 40 = 240,
42/6 = 42 × 40/6 × 40 = 1680/240 - Subtract the two like fractions:
147/240 - 1680/240 = 147 - 1680/240 = -1533/240 - After reducing the fraction, the answer is -511/80
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