Subtract 12/90 from 27/10
1st number: 2 7/10, 2nd number: 12/90
27/10 - 12/90 is 77/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
27/10 = 27 × 9/10 × 9 = 243/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Subtract the two like fractions:
243/90 - 12/90 = 243 - 12/90 = 231/90 - After reducing the fraction, the answer is 77/30
- In mixed form: 217/30
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