Subtract 12/45 from 84/18
1st number: 4 12/18, 2nd number: 12/45
84/18 - 12/45 is 22/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
84/18 = 84 × 5/18 × 5 = 420/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
12/45 = 12 × 2/45 × 2 = 24/90 - Subtract the two like fractions:
420/90 - 24/90 = 420 - 24/90 = 396/90 - After reducing the fraction, the answer is 22/5
- In mixed form: 42/5
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