Subtract 84/80 from 84/30
1st number: 2 24/30, 2nd number: 1 4/80
84/30 - 84/80 is 7/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
84/30 = 84 × 8/30 × 8 = 672/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
84/80 = 84 × 3/80 × 3 = 252/240 - Subtract the two like fractions:
672/240 - 252/240 = 672 - 252/240 = 420/240 - After reducing the fraction, the answer is 7/4
- In mixed form: 13/4
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