Subtract 4/60 from 27/21
1st number: 1 6/21, 2nd number: 4/60
27/21 - 4/60 is 128/105.
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,
27/21 = 27 × 20/21 × 20 = 540/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
4/60 = 4 × 7/60 × 7 = 28/420 - Subtract the two like fractions:
540/420 - 28/420 = 540 - 28/420 = 512/420 - After reducing the fraction, the answer is 128/105
- In mixed form: 123/105
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