Subtract 30/72 from 35/20
1st number: 1 15/20, 2nd number: 30/72
35/20 - 30/72 is 4/3.
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,
35/20 = 35 × 18/20 × 18 = 630/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
30/72 = 30 × 5/72 × 5 = 150/360 - Subtract the two like fractions:
630/360 - 150/360 = 630 - 150/360 = 480/360 - After reducing the fraction, the answer is 4/3
- In mixed form: 11/3
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