Add 28/10 and 12/20
1st number: 2 8/10, 2nd number: 12/20
28/10 + 12/20 is 17/5.
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,
28/10 = 28 × 2/10 × 2 = 56/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
12/20 = 12 × 1/20 × 1 = 12/20 - Add the two like fractions:
56/20 + 12/20 = 56 + 12/20 = 68/20 - 68/20 simplified gives 17/5
- So, 28/10 + 12/20 = 17/5
In mixed form: 32/5
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