Add 12/10 and 45/20
1st number: 1 2/10, 2nd number: 2 5/20
12/10 + 45/20 is 69/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
12/10 = 12 × 2/10 × 2 = 24/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
45/20 = 45 × 1/20 × 1 = 45/20 - Add the two like fractions:
24/20 + 45/20 = 24 + 45/20 = 69/20 - So, 12/10 + 45/20 = 69/20
In mixed form: 39/20
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