Subtract 98/70 from 28/56
1st number: 28/56, 2nd number: 1 28/70
28/56 - 98/70 is -9/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
28/56 = 28 × 5/56 × 5 = 140/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
98/70 = 98 × 4/70 × 4 = 392/280 - Subtract the two like fractions:
140/280 - 392/280 = 140 - 392/280 = -252/280 - After reducing the fraction, the answer is -9/10
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