Add 84/20 and 54/15
1st number: 4 4/20, 2nd number: 3 9/15
84/20 + 54/15 is 39/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
84/20 = 84 × 3/20 × 3 = 252/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
54/15 = 54 × 4/15 × 4 = 216/60 - Add the two like fractions:
252/60 + 216/60 = 252 + 216/60 = 468/60 - 468/60 simplified gives 39/5
- So, 84/20 + 54/15 = 39/5
In mixed form: 74/5
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