Add 15/30 and 84/40
1st number: 15/30, 2nd number: 2 4/40
15/30 + 84/40 is 13/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
15/30 = 15 × 4/30 × 4 = 60/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
84/40 = 84 × 3/40 × 3 = 252/120 - Add the two like fractions:
60/120 + 252/120 = 60 + 252/120 = 312/120 - 312/120 simplified gives 13/5
- So, 15/30 + 84/40 = 13/5
In mixed form: 23/5
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