Subtract 21/48 from 90/6
1st number: 15 0/6, 2nd number: 21/48
90/6 - 21/48 is 233/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 6 × 8 = 48,
90/6 = 90 × 8/6 × 8 = 720/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
21/48 = 21 × 1/48 × 1 = 21/48 - Subtract the two like fractions:
720/48 - 21/48 = 720 - 21/48 = 699/48 - After reducing the fraction, the answer is 233/16
- In mixed form: 149/16
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