Subtract 7/27 from 90/45
1st number: 2 0/45, 2nd number: 7/27
90/45 - 7/27 is 47/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 45 × 3 = 135,
90/45 = 90 × 3/45 × 3 = 270/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
7/27 = 7 × 5/27 × 5 = 35/135 - Subtract the two like fractions:
270/135 - 35/135 = 270 - 35/135 = 235/135 - After reducing the fraction, the answer is 47/27
- In mixed form: 120/27
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