Subtract 7/45 from 90/12
1st number: 7 6/12, 2nd number: 7/45
90/12 - 7/45 is 661/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
90/12 = 90 × 15/12 × 15 = 1350/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
7/45 = 7 × 4/45 × 4 = 28/180 - Subtract the two like fractions:
1350/180 - 28/180 = 1350 - 28/180 = 1322/180 - After reducing the fraction, the answer is 661/90
- In mixed form: 731/90
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