Subtract 21/48 from 90/60
1st number: 1 30/60, 2nd number: 21/48
90/60 - 21/48 is 17/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
90/60 = 90 × 4/60 × 4 = 360/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
21/48 = 21 × 5/48 × 5 = 105/240 - Subtract the two like fractions:
360/240 - 105/240 = 360 - 105/240 = 255/240 - After reducing the fraction, the answer is 17/16
- In mixed form: 11/16
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