Add 42/40 and 84/18
1st number: 1 2/40, 2nd number: 4 12/18
42/40 + 84/18 is 343/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 18 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
42/40 = 42 × 9/40 × 9 = 378/360 - Likewise, for the 2nd fraction, since 18 × 20 = 360,
84/18 = 84 × 20/18 × 20 = 1680/360 - Add the two like fractions:
378/360 + 1680/360 = 378 + 1680/360 = 2058/360 - 2058/360 simplified gives 343/60
- So, 42/40 + 84/18 = 343/60
In mixed form: 543/60
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