Add 3/4 and 3/10
3/4 + 3/10 is 21/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
3/4 = 3 × 5/4 × 5 = 15/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
3/10 = 3 × 2/10 × 2 = 6/20 - Add the two like fractions:
15/20 + 6/20 = 15 + 6/20 = 21/20 - So, 3/4 + 3/10 = 21/20
In mixed form: 11/20
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