Add 21/5 and 16/30
1st number: 4 1/5, 2nd number: 16/30
21/5 + 16/30 is 71/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
21/5 = 21 × 6/5 × 6 = 126/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
16/30 = 16 × 1/30 × 1 = 16/30 - Add the two like fractions:
126/30 + 16/30 = 126 + 16/30 = 142/30 - 142/30 simplified gives 71/15
- So, 21/5 + 16/30 = 71/15
In mixed form: 411/15
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