Subtract 36/45 from 21/3
1st number: 7 0/3, 2nd number: 36/45
21/3 - 36/45 is 31/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 3 × 15 = 45,
21/3 = 21 × 15/3 × 15 = 315/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
36/45 = 36 × 1/45 × 1 = 36/45 - Subtract the two like fractions:
315/45 - 36/45 = 315 - 36/45 = 279/45 - After reducing the fraction, the answer is 31/5
- In mixed form: 61/5
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