Add 25/15 and 81/4
1st number: 1 10/15, 2nd number: 20 1/4
25/15 + 81/4 is 263/12.
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,
25/15 = 25 × 4/15 × 4 = 100/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
81/4 = 81 × 15/4 × 15 = 1215/60 - Add the two like fractions:
100/60 + 1215/60 = 100 + 1215/60 = 1315/60 - 1315/60 simplified gives 263/12
- So, 25/15 + 81/4 = 263/12
In mixed form: 2111/12
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