Subtract 4/21 from 60/45
1st number: 1 15/45, 2nd number: 4/21
60/45 - 4/21 is 8/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 21 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
60/45 = 60 × 7/45 × 7 = 420/315 - Likewise, for the 2nd fraction, since 21 × 15 = 315,
4/21 = 4 × 15/21 × 15 = 60/315 - Subtract the two like fractions:
420/315 - 60/315 = 420 - 60/315 = 360/315 - After reducing the fraction, the answer is 8/7
- In mixed form: 11/7
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