Subtract 8/10 from 90/18
1st number: 5 0/18, 2nd number: 8/10
90/18 - 8/10 is 21/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 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 10 × 9 = 90,
8/10 = 8 × 9/10 × 9 = 72/90 - Subtract the two like fractions:
450/90 - 72/90 = 450 - 72/90 = 378/90 - After reducing the fraction, the answer is 21/5
- In mixed form: 41/5
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