Add 84/15 and 7/4
1st number: 5 9/15, 2nd number: 1 3/4
84/15 + 7/4 is 147/20.
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,
7/4 = 7 × 15/4 × 15 = 105/60 - Add the two like fractions:
336/60 + 105/60 = 336 + 105/60 = 441/60 - 441/60 simplified gives 147/20
- So, 84/15 + 7/4 = 147/20
In mixed form: 77/20
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