Add 12/8 and 20/10
1st number: 1 4/8, 2nd number: 2 0/10
12/8 + 20/10 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
12/8 = 12 × 5/8 × 5 = 60/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
20/10 = 20 × 4/10 × 4 = 80/40 - Add the two like fractions:
60/40 + 80/40 = 60 + 80/40 = 140/40 - 140/40 simplified gives 7/2
- So, 12/8 + 20/10 = 7/2
In mixed form: 31/2
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