Subtract 70/18 from 70/4
1st number: 17 2/4, 2nd number: 3 16/18
70/4 - 70/18 is 245/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 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 18 × 2 = 36,
70/18 = 70 × 2/18 × 2 = 140/36 - Subtract the two like fractions:
630/36 - 140/36 = 630 - 140/36 = 490/36 - After reducing the fraction, the answer is 245/18
- In mixed form: 1311/18
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