Add 30/15 and 84/20
1st number: 2 0/15, 2nd number: 4 4/20
30/15 + 84/20 is 31/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
30/15 = 30 × 4/15 × 4 = 120/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
84/20 = 84 × 3/20 × 3 = 252/60 - Add the two like fractions:
120/60 + 252/60 = 120 + 252/60 = 372/60 - 372/60 simplified gives 31/5
- So, 30/15 + 84/20 = 31/5
In mixed form: 61/5
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