Add 42/84 and 40/18
1st number: 42/84, 2nd number: 2 4/18
42/84 + 40/18 is 49/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 84 × 3 = 252,
42/84 = 42 × 3/84 × 3 = 126/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
40/18 = 40 × 14/18 × 14 = 560/252 - Add the two like fractions:
126/252 + 560/252 = 126 + 560/252 = 686/252 - 686/252 simplified gives 49/18
- So, 42/84 + 40/18 = 49/18
In mixed form: 213/18
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