Subtract 35/90 from 4/56
4/56 - 35/90 is -20/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 90 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
4/56 = 4 × 45/56 × 45 = 180/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
35/90 = 35 × 28/90 × 28 = 980/2520 - Subtract the two like fractions:
180/2520 - 980/2520 = 180 - 980/2520 = -800/2520 - After reducing the fraction, the answer is -20/63
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