Add 21/16 and 30/10
1st number: 1 5/16, 2nd number: 3 0/10
21/16 + 30/10 is 69/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
21/16 = 21 × 5/16 × 5 = 105/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
30/10 = 30 × 8/10 × 8 = 240/80 - Add the two like fractions:
105/80 + 240/80 = 105 + 240/80 = 345/80 - 345/80 simplified gives 69/16
- So, 21/16 + 30/10 = 69/16
In mixed form: 45/16
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