Subtract 7/45 from 90/30
1st number: 3 0/30, 2nd number: 7/45
90/30 - 7/45 is 128/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
90/30 = 90 × 3/30 × 3 = 270/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
7/45 = 7 × 2/45 × 2 = 14/90 - Subtract the two like fractions:
270/90 - 14/90 = 270 - 14/90 = 256/90 - After reducing the fraction, the answer is 128/45
- In mixed form: 238/45
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