Subtract 3/84 from 42/9
1st number: 4 6/9, 2nd number: 3/84
42/9 - 3/84 is 389/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
42/9 = 42 × 28/9 × 28 = 1176/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
3/84 = 3 × 3/84 × 3 = 9/252 - Subtract the two like fractions:
1176/252 - 9/252 = 1176 - 9/252 = 1167/252 - After reducing the fraction, the answer is 389/84
- In mixed form: 453/84
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