Subtract 98/80 from 5/7
1st number: 5/7, 2nd number: 1 18/80
5/7 - 98/80 is -143/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 7 × 80 = 560,
5/7 = 5 × 80/7 × 80 = 400/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
98/80 = 98 × 7/80 × 7 = 686/560 - Subtract the two like fractions:
400/560 - 686/560 = 400 - 686/560 = -286/560 - After reducing the fraction, the answer is -143/280
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