Subtract 30/40 from 84/3
1st number: 28 0/3, 2nd number: 30/40
84/3 - 30/40 is 109/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
84/3 = 84 × 40/3 × 40 = 3360/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
30/40 = 30 × 3/40 × 3 = 90/120 - Subtract the two like fractions:
3360/120 - 90/120 = 3360 - 90/120 = 3270/120 - After reducing the fraction, the answer is 109/4
- In mixed form: 271/4
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