Subtract 20/40 from 56/45
1st number: 1 11/45, 2nd number: 20/40
56/45 - 20/40 is 67/90.
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,
56/45 = 56 × 8/45 × 8 = 448/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
20/40 = 20 × 9/40 × 9 = 180/360 - Subtract the two like fractions:
448/360 - 180/360 = 448 - 180/360 = 268/360 - After reducing the fraction, the answer is 67/90
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