Add 3/4 and 84/15
1st number: 3/4, 2nd number: 5 9/15
3/4 + 84/15 is 127/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
3/4 = 3 × 15/4 × 15 = 45/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
84/15 = 84 × 4/15 × 4 = 336/60 - Add the two like fractions:
45/60 + 336/60 = 45 + 336/60 = 381/60 - 381/60 simplified gives 127/20
- So, 3/4 + 84/15 = 127/20
In mixed form: 67/20
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