Subtract 7/30 from 90/27
1st number: 3 9/27, 2nd number: 7/30
90/27 - 7/30 is 31/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 30 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
90/27 = 90 × 10/27 × 10 = 900/270 - Likewise, for the 2nd fraction, since 30 × 9 = 270,
7/30 = 7 × 9/30 × 9 = 63/270 - Subtract the two like fractions:
900/270 - 63/270 = 900 - 63/270 = 837/270 - After reducing the fraction, the answer is 31/10
- In mixed form: 31/10
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