Add 21/3 and 30/28
1st number: 7 0/3, 2nd number: 1 2/28
21/3 + 30/28 is 113/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
21/3 = 21 × 28/3 × 28 = 588/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
30/28 = 30 × 3/28 × 3 = 90/84 - Add the two like fractions:
588/84 + 90/84 = 588 + 90/84 = 678/84 - 678/84 simplified gives 113/14
- So, 21/3 + 30/28 = 113/14
In mixed form: 81/14
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