Subtract 98/80 from 70/63
1st number: 1 7/63, 2nd number: 1 18/80
70/63 - 98/80 is -41/360.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 80 is 5040
Next, find the equivalent fraction of both fractional numbers with denominator 5040 - For the 1st fraction, since 63 × 80 = 5040,
70/63 = 70 × 80/63 × 80 = 5600/5040 - Likewise, for the 2nd fraction, since 80 × 63 = 5040,
98/80 = 98 × 63/80 × 63 = 6174/5040 - Subtract the two like fractions:
5600/5040 - 6174/5040 = 5600 - 6174/5040 = -574/5040 - After reducing the fraction, the answer is -41/360
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