Subtract 1/18 from 70/40
1st number: 1 30/40, 2nd number: 1/18
70/40 - 1/18 is 61/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
70/40 = 70 × 9/40 × 9 = 630/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
1/18 = 1 × 20/18 × 20 = 20/360 - Subtract the two like fractions:
630/360 - 20/360 = 630 - 20/360 = 610/360 - After reducing the fraction, the answer is 61/36
- In mixed form: 125/36
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