Add 15/3 and 42/4
1st number: 5 0/3, 2nd number: 10 2/4
15/3 + 42/4 is 31/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
15/3 = 15 × 4/3 × 4 = 60/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
42/4 = 42 × 3/4 × 3 = 126/12 - Add the two like fractions:
60/12 + 126/12 = 60 + 126/12 = 186/12 - 186/12 simplified gives 31/2
- So, 15/3 + 42/4 = 31/2
In mixed form: 151/2
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