Add 42/84 and 70/18
1st number: 42/84, 2nd number: 3 16/18
42/84 + 70/18 is 79/18.
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,
70/18 = 70 × 14/18 × 14 = 980/252 - Add the two like fractions:
126/252 + 980/252 = 126 + 980/252 = 1106/252 - 1106/252 simplified gives 79/18
- So, 42/84 + 70/18 = 79/18
In mixed form: 47/18
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