Subtract 60/45 from 75/21
1st number: 3 12/21, 2nd number: 1 15/45
75/21 - 60/45 is 47/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 21 × 15 = 315,
75/21 = 75 × 15/21 × 15 = 1125/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
60/45 = 60 × 7/45 × 7 = 420/315 - Subtract the two like fractions:
1125/315 - 420/315 = 1125 - 420/315 = 705/315 - After reducing the fraction, the answer is 47/21
- In mixed form: 25/21
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