Subtract 40/48 from 21/9
1st number: 2 3/9, 2nd number: 40/48
21/9 - 40/48 is 3/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 9 × 16 = 144,
21/9 = 21 × 16/9 × 16 = 336/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
40/48 = 40 × 3/48 × 3 = 120/144 - Subtract the two like fractions:
336/144 - 120/144 = 336 - 120/144 = 216/144 - After reducing the fraction, the answer is 3/2
- In mixed form: 11/2
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