Subtract 18/72 from 70/4
1st number: 17 2/4, 2nd number: 18/72
70/4 - 18/72 is 69/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
70/4 = 70 × 18/4 × 18 = 1260/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
18/72 = 18 × 1/72 × 1 = 18/72 - Subtract the two like fractions:
1260/72 - 18/72 = 1260 - 18/72 = 1242/72 - After reducing the fraction, the answer is 69/4
- In mixed form: 171/4
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