Subtract 49/72 from 40/20
1st number: 2 0/20, 2nd number: 49/72
40/20 - 49/72 is 95/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 20 × 18 = 360,
40/20 = 40 × 18/20 × 18 = 720/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
49/72 = 49 × 5/72 × 5 = 245/360 - Subtract the two like fractions:
720/360 - 245/360 = 720 - 245/360 = 475/360 - After reducing the fraction, the answer is 95/72
- In mixed form: 123/72
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