Subtract 72/42 from 40/3
1st number: 13 1/3, 2nd number: 1 30/42
40/3 - 72/42 is 244/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
40/3 = 40 × 14/3 × 14 = 560/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
72/42 = 72 × 1/42 × 1 = 72/42 - Subtract the two like fractions:
560/42 - 72/42 = 560 - 72/42 = 488/42 - After reducing the fraction, the answer is 244/21
- In mixed form: 1113/21
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