Add 30/8 and 21/14
1st number: 3 6/8, 2nd number: 1 7/14
30/8 + 21/14 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 14 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
30/8 = 30 × 7/8 × 7 = 210/56 - Likewise, for the 2nd fraction, since 14 × 4 = 56,
21/14 = 21 × 4/14 × 4 = 84/56 - Add the two like fractions:
210/56 + 84/56 = 210 + 84/56 = 294/56 - 294/56 simplified gives 21/4
- So, 30/8 + 21/14 = 21/4
In mixed form: 51/4
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