Subtract 70/18 from 72/5
1st number: 14 2/5, 2nd number: 3 16/18
72/5 - 70/18 is 473/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
72/5 = 72 × 18/5 × 18 = 1296/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
70/18 = 70 × 5/18 × 5 = 350/90 - Subtract the two like fractions:
1296/90 - 350/90 = 1296 - 350/90 = 946/90 - After reducing the fraction, the answer is 473/45
- In mixed form: 1023/45
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