Subtract 30/48 from 90/12
1st number: 7 6/12, 2nd number: 30/48
90/12 - 30/48 is 55/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 48 is 48
Next, find the equivalent fraction of both fractional numbers with denominator 48 - For the 1st fraction, since 12 × 4 = 48,
90/12 = 90 × 4/12 × 4 = 360/48 - Likewise, for the 2nd fraction, since 48 × 1 = 48,
30/48 = 30 × 1/48 × 1 = 30/48 - Subtract the two like fractions:
360/48 - 30/48 = 360 - 30/48 = 330/48 - After reducing the fraction, the answer is 55/8
- In mixed form: 67/8
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