Subtract 63/70 from 98/40
1st number: 2 18/40, 2nd number: 63/70
98/40 - 63/70 is 31/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
98/40 = 98 × 7/40 × 7 = 686/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
63/70 = 63 × 4/70 × 4 = 252/280 - Subtract the two like fractions:
686/280 - 252/280 = 686 - 252/280 = 434/280 - After reducing the fraction, the answer is 31/20
- In mixed form: 111/20
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