Subtract 42/8 from 90/6
1st number: 15 0/6, 2nd number: 5 2/8
90/6 - 42/8 is 39/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 6 × 4 = 24,
90/6 = 90 × 4/6 × 4 = 360/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
42/8 = 42 × 3/8 × 3 = 126/24 - Subtract the two like fractions:
360/24 - 126/24 = 360 - 126/24 = 234/24 - After reducing the fraction, the answer is 39/4
- In mixed form: 93/4
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