Subtract 20/36 from 49/45
1st number: 1 4/45, 2nd number: 20/36
49/45 - 20/36 is 8/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
49/45 = 49 × 4/45 × 4 = 196/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
20/36 = 20 × 5/36 × 5 = 100/180 - Subtract the two like fractions:
196/180 - 100/180 = 196 - 100/180 = 96/180 - After reducing the fraction, the answer is 8/15
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