Add 18/42 and 40/3
1st number: 18/42, 2nd number: 13 1/3
18/42 + 40/3 is 289/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 3 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
18/42 = 18 × 1/42 × 1 = 18/42 - Likewise, for the 2nd fraction, since 3 × 14 = 42,
40/3 = 40 × 14/3 × 14 = 560/42 - Add the two like fractions:
18/42 + 560/42 = 18 + 560/42 = 578/42 - 578/42 simplified gives 289/21
- So, 18/42 + 40/3 = 289/21
In mixed form: 1316/21
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