Subtract 56/90 from 6/40
6/40 - 56/90 is -17/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
6/40 = 6 × 9/40 × 9 = 54/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
56/90 = 56 × 4/90 × 4 = 224/360 - Subtract the two like fractions:
54/360 - 224/360 = 54 - 224/360 = -170/360 - After reducing the fraction, the answer is -17/36
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