Subtract 42/16 from 90/35
1st number: 2 20/35, 2nd number: 2 10/16
90/35 - 42/16 is -3/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 35 × 16 = 560,
90/35 = 90 × 16/35 × 16 = 1440/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
42/16 = 42 × 35/16 × 35 = 1470/560 - Subtract the two like fractions:
1440/560 - 1470/560 = 1440 - 1470/560 = -30/560 - After reducing the fraction, the answer is -3/56
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