Subtract 98/80 from 35/70
1st number: 35/70, 2nd number: 1 18/80
35/70 - 98/80 is -29/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
35/70 = 35 × 8/70 × 8 = 280/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
98/80 = 98 × 7/80 × 7 = 686/560 - Subtract the two like fractions:
280/560 - 686/560 = 280 - 686/560 = -406/560 - After reducing the fraction, the answer is -29/40
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