Add 18/3 and 42/5
1st number: 6 0/3, 2nd number: 8 2/5
18/3 + 42/5 is 72/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
18/3 = 18 × 5/3 × 5 = 90/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
42/5 = 42 × 3/5 × 3 = 126/15 - Add the two like fractions:
90/15 + 126/15 = 90 + 126/15 = 216/15 - 216/15 simplified gives 72/5
- So, 18/3 + 42/5 = 72/5
In mixed form: 142/5
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