Subtract 56/40 from 12/45
1st number: 12/45, 2nd number: 1 16/40
12/45 - 56/40 is -17/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
12/45 = 12 × 8/45 × 8 = 96/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
56/40 = 56 × 9/40 × 9 = 504/360 - Subtract the two like fractions:
96/360 - 504/360 = 96 - 504/360 = -408/360 - After reducing the fraction, the answer is -17/15
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