Subtract 81/16 from 7/70
1st number: 7/70, 2nd number: 5 1/16
7/70 - 81/16 is -397/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
7/70 = 7 × 8/70 × 8 = 56/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
81/16 = 81 × 35/16 × 35 = 2835/560 - Subtract the two like fractions:
56/560 - 2835/560 = 56 - 2835/560 = -2779/560 - After reducing the fraction, the answer is -397/80
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