Subtract 63/9 from 70/4
1st number: 17 2/4, 2nd number: 7 0/9
70/4 - 63/9 is 21/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
70/4 = 70 × 9/4 × 9 = 630/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
63/9 = 63 × 4/9 × 4 = 252/36 - Subtract the two like fractions:
630/36 - 252/36 = 630 - 252/36 = 378/36 - After reducing the fraction, the answer is 21/2
- In mixed form: 101/2
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