Add 3/10 and 21/5
1st number: 3/10, 2nd number: 4 1/5
3/10 + 21/5 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 5 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 10 × 1 = 10,
3/10 = 3 × 1/10 × 1 = 3/10 - Likewise, for the 2nd fraction, since 5 × 2 = 10,
21/5 = 21 × 2/5 × 2 = 42/10 - Add the two like fractions:
3/10 + 42/10 = 3 + 42/10 = 45/10 - 45/10 simplified gives 9/2
- So, 3/10 + 21/5 = 9/2
In mixed form: 41/2
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