Add 21/6 and 15/8
1st number: 3 3/6, 2nd number: 1 7/8
216 + 158 is 438.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 6 × 4 = 24,
216 = 21 × 46 × 4 = 8424 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
158 = 15 × 38 × 3 = 4524 - Add the two like fractions:
8424 + 4524 = 84 + 4524 = 12924 - 129/24 simplified gives 438
- So, 21/6 + 15/8 = 43/8
In mixed form: 538
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