Add 84/15 and 5/4
1st number: 5 9/15, 2nd number: 1 1/4
84/15 + 5/4 is 137/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
84/15 = 84 × 4/15 × 4 = 336/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
5/4 = 5 × 15/4 × 15 = 75/60 - Add the two like fractions:
336/60 + 75/60 = 336 + 75/60 = 411/60 - 411/60 simplified gives 137/20
- So, 84/15 + 5/4 = 137/20
In mixed form: 617/20
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