Subtract 20/48 from 90/36
1st number: 2 18/36, 2nd number: 20/48
90/36 - 20/48 is 25/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 36 × 4 = 144,
90/36 = 90 × 4/36 × 4 = 360/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
20/48 = 20 × 3/48 × 3 = 60/144 - Subtract the two like fractions:
360/144 - 60/144 = 360 - 60/144 = 300/144 - After reducing the fraction, the answer is 25/12
- In mixed form: 21/12
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