Subtract 42/9 from 40/2
1st number: 20 0/2, 2nd number: 4 6/9
40/2 - 42/9 is 46/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 9 is 18
Next, find the equivalent fraction of both fractional numbers with denominator 18 - For the 1st fraction, since 2 × 9 = 18,
40/2 = 40 × 9/2 × 9 = 360/18 - Likewise, for the 2nd fraction, since 9 × 2 = 18,
42/9 = 42 × 2/9 × 2 = 84/18 - Subtract the two like fractions:
360/18 - 84/18 = 360 - 84/18 = 276/18 - After reducing the fraction, the answer is 46/3
- In mixed form: 151/3
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