Add 28/30 and 21/5
1st number: 28/30, 2nd number: 4 1/5
28/30 + 21/5 is 77/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
28/30 = 28 × 1/30 × 1 = 28/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
21/5 = 21 × 6/5 × 6 = 126/30 - Add the two like fractions:
28/30 + 126/30 = 28 + 126/30 = 154/30 - 154/30 simplified gives 77/15
- So, 28/30 + 21/5 = 77/15
In mixed form: 52/15
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