Subtract 36/48 from 90/30
1st number: 3 0/30, 2nd number: 36/48
90/30 - 36/48 is 9/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
90/30 = 90 × 8/30 × 8 = 720/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
36/48 = 36 × 5/48 × 5 = 180/240 - Subtract the two like fractions:
720/240 - 180/240 = 720 - 180/240 = 540/240 - After reducing the fraction, the answer is 9/4
- In mixed form: 21/4
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