Subtract 20/40 from 49/45
1st number: 1 4/45, 2nd number: 20/40
49/45 - 20/40 is 53/90.
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,
49/45 = 49 × 8/45 × 8 = 392/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
20/40 = 20 × 9/40 × 9 = 180/360 - Subtract the two like fractions:
392/360 - 180/360 = 392 - 180/360 = 212/360 - After reducing the fraction, the answer is 53/90
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