Subtract 10/72 from 40/20
1st number: 2 0/20, 2nd number: 10/72
40/20 - 10/72 is 67/36.
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,
10/72 = 10 × 5/72 × 5 = 50/360 - Subtract the two like fractions:
720/360 - 50/360 = 720 - 50/360 = 670/360 - After reducing the fraction, the answer is 67/36
- In mixed form: 131/36
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