Add 84/40 and 45/30
1st number: 2 4/40, 2nd number: 1 15/30
84/40 + 45/30 is 18/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
84/40 = 84 × 3/40 × 3 = 252/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
45/30 = 45 × 4/30 × 4 = 180/120 - Add the two like fractions:
252/120 + 180/120 = 252 + 180/120 = 432/120 - 432/120 simplified gives 18/5
- So, 84/40 + 45/30 = 18/5
In mixed form: 33/5
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