Subtract 40/45 from 42/6
1st number: 7 0/6, 2nd number: 40/45
42/6 - 40/45 is 55/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
42/6 = 42 × 15/6 × 15 = 630/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
40/45 = 40 × 2/45 × 2 = 80/90 - Subtract the two like fractions:
630/90 - 80/90 = 630 - 80/90 = 550/90 - After reducing the fraction, the answer is 55/9
- In mixed form: 61/9
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