Subtract 21/30 from 84/48
1st number: 1 36/48, 2nd number: 21/30
84/48 - 21/30 is 21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
84/48 = 84 × 5/48 × 5 = 420/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
21/30 = 21 × 8/30 × 8 = 168/240 - Subtract the two like fractions:
420/240 - 168/240 = 420 - 168/240 = 252/240 - After reducing the fraction, the answer is 21/20
- In mixed form: 11/20
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