Subtract 21/16 from 90/10
1st number: 9 0/10, 2nd number: 1 5/16
90/10 - 21/16 is 123/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
90/10 = 90 × 8/10 × 8 = 720/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
21/16 = 21 × 5/16 × 5 = 105/80 - Subtract the two like fractions:
720/80 - 105/80 = 720 - 105/80 = 615/80 - After reducing the fraction, the answer is 123/16
- In mixed form: 711/16
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