Add 15/2 and 81/6
1st number: 7 1/2, 2nd number: 13 3/6
15/2 + 81/6 is 21/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 6 is 6
Next, find the equivalent fraction of both fractional numbers with denominator 6 - For the 1st fraction, since 2 × 3 = 6,
15/2 = 15 × 3/2 × 3 = 45/6 - Likewise, for the 2nd fraction, since 6 × 1 = 6,
81/6 = 81 × 1/6 × 1 = 81/6 - Add the two like fractions:
45/6 + 81/6 = 45 + 81/6 = 126/6 - 126/6 simplified gives 21/1
- So, 15/2 + 81/6 = 21/1
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