Add 84/56 and 15/4
1st number: 1 28/56, 2nd number: 3 3/4
84/56 + 15/4 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 4 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
84/56 = 84 × 1/56 × 1 = 84/56 - Likewise, for the 2nd fraction, since 4 × 14 = 56,
15/4 = 15 × 14/4 × 14 = 210/56 - Add the two like fractions:
84/56 + 210/56 = 84 + 210/56 = 294/56 - 294/56 simplified gives 21/4
- So, 84/56 + 15/4 = 21/4
In mixed form: 51/4
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