Subtract 21/9 from 70/48
1st number: 1 22/48, 2nd number: 2 3/9
70/48 - 21/9 is -7/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 9 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
70/48 = 70 × 3/48 × 3 = 210/144 - Likewise, for the 2nd fraction, since 9 × 16 = 144,
21/9 = 21 × 16/9 × 16 = 336/144 - Subtract the two like fractions:
210/144 - 336/144 = 210 - 336/144 = -126/144 - After reducing the fraction, the answer is -7/8
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