Subtract 21/40 from 84/48
1st number: 1 36/48, 2nd number: 21/40
84/48 - 21/40 is 49/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 40 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 40 × 6 = 240,
21/40 = 21 × 6/40 × 6 = 126/240 - Subtract the two like fractions:
420/240 - 126/240 = 420 - 126/240 = 294/240 - After reducing the fraction, the answer is 49/40
- In mixed form: 19/40
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