Subtract 40/60 from 54/21
1st number: 2 12/21, 2nd number: 40/60
54/21 - 40/60 is 40/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
54/21 = 54 × 20/21 × 20 = 1080/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
40/60 = 40 × 7/60 × 7 = 280/420 - Subtract the two like fractions:
1080/420 - 280/420 = 1080 - 280/420 = 800/420 - After reducing the fraction, the answer is 40/21
- In mixed form: 119/21
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