Subtract 90/16 from 72/4
1st number: 18 0/4, 2nd number: 5 10/16
72/4 - 90/16 is 99/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 4 × 4 = 16,
72/4 = 72 × 4/4 × 4 = 288/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
90/16 = 90 × 1/16 × 1 = 90/16 - Subtract the two like fractions:
288/16 - 90/16 = 288 - 90/16 = 198/16 - After reducing the fraction, the answer is 99/8
- In mixed form: 123/8
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