Add 21/10 and 42/3
1st number: 2 1/10, 2nd number: 14 0/3
21/10 + 42/3 is 161/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 3 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
21/10 = 21 × 3/10 × 3 = 63/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
42/3 = 42 × 10/3 × 10 = 420/30 - Add the two like fractions:
63/30 + 420/30 = 63 + 420/30 = 483/30 - 483/30 simplified gives 161/10
- So, 21/10 + 42/3 = 161/10
In mixed form: 161/10
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