Subtract 7/45 from 90/18
1st number: 5 0/18, 2nd number: 7/45
90/18 - 7/45 is 218/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
90/18 = 90 × 5/18 × 5 = 450/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
7/45 = 7 × 2/45 × 2 = 14/90 - Subtract the two like fractions:
450/90 - 14/90 = 450 - 14/90 = 436/90 - After reducing the fraction, the answer is 218/45
- In mixed form: 438/45
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