Subtract 42/16 from 15/70
1st number: 15/70, 2nd number: 2 10/16
15/70 - 42/16 is -135/56.
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,
15/70 = 15 × 8/70 × 8 = 120/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
42/16 = 42 × 35/16 × 35 = 1470/560 - Subtract the two like fractions:
120/560 - 1470/560 = 120 - 1470/560 = -1350/560 - After reducing the fraction, the answer is -135/56
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