Add 12/4 and 42/10
1st number: 3 0/4, 2nd number: 4 2/10
12/4 + 42/10 is 36/5.
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,
12/4 = 12 × 5/4 × 5 = 60/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
42/10 = 42 × 2/10 × 2 = 84/20 - Add the two like fractions:
60/20 + 84/20 = 60 + 84/20 = 144/20 - 144/20 simplified gives 36/5
- So, 12/4 + 42/10 = 36/5
In mixed form: 71/5
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