Subtract 21/72 from 90/3
1st number: 30 0/3, 2nd number: 21/72
90/3 - 21/72 is 713/24.
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,
90/3 = 90 × 24/3 × 24 = 2160/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Subtract the two like fractions:
2160/72 - 21/72 = 2160 - 21/72 = 2139/72 - After reducing the fraction, the answer is 713/24
- In mixed form: 2917/24
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