Subtract 63/70 from 80/40
1st number: 2 0/40, 2nd number: 63/70
80/40 - 63/70 is 11/10.
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,
80/40 = 80 × 7/40 × 7 = 560/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
63/70 = 63 × 4/70 × 4 = 252/280 - Subtract the two like fractions:
560/280 - 252/280 = 560 - 252/280 = 308/280 - After reducing the fraction, the answer is 11/10
- In mixed form: 11/10
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