Add 21/14 and 18/8
1st number: 1 7/14, 2nd number: 2 2/8
21/14 + 18/8 is 15/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 14 × 4 = 56,
21/14 = 21 × 4/14 × 4 = 84/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
18/8 = 18 × 7/8 × 7 = 126/56 - Add the two like fractions:
84/56 + 126/56 = 84 + 126/56 = 210/56 - 210/56 simplified gives 15/4
- So, 21/14 + 18/8 = 15/4
In mixed form: 33/4
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