Subtract 21/45 from 40/3
1st number: 13 1/3, 2nd number: 21/45
40/3 - 21/45 is 193/15.
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,
40/3 = 40 × 15/3 × 15 = 600/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
21/45 = 21 × 1/45 × 1 = 21/45 - Subtract the two like fractions:
600/45 - 21/45 = 600 - 21/45 = 579/45 - After reducing the fraction, the answer is 193/15
- In mixed form: 1213/15
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