Subtract 40/80 from 84/30
1st number: 2 24/30, 2nd number: 40/80
84/30 - 40/80 is 23/10.
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,
40/80 = 40 × 3/80 × 3 = 120/240 - Subtract the two like fractions:
672/240 - 120/240 = 672 - 120/240 = 552/240 - After reducing the fraction, the answer is 23/10
- In mixed form: 23/10
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