Subtract 42/72 from 40/3
1st number: 13 1/3, 2nd number: 42/72
40/3 - 42/72 is 51/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 3 × 24 = 72,
40/3 = 40 × 24/3 × 24 = 960/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
42/72 = 42 × 1/72 × 1 = 42/72 - Subtract the two like fractions:
960/72 - 42/72 = 960 - 42/72 = 918/72 - After reducing the fraction, the answer is 51/4
- In mixed form: 123/4
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