Subtract 98/56 from 80/70
1st number: 1 10/70, 2nd number: 1 42/56
80/70 - 98/56 is -17/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
80/70 = 80 × 4/70 × 4 = 320/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
98/56 = 98 × 5/56 × 5 = 490/280 - Subtract the two like fractions:
320/280 - 490/280 = 320 - 490/280 = -170/280 - After reducing the fraction, the answer is -17/28
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