Add 4/18 and 42/40
1st number: 4/18, 2nd number: 1 2/40
4/18 + 42/40 is 229/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
4/18 = 4 × 20/18 × 20 = 80/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
42/40 = 42 × 9/40 × 9 = 378/360 - Add the two like fractions:
80/360 + 378/360 = 80 + 378/360 = 458/360 - 458/360 simplified gives 229/180
- So, 4/18 + 42/40 = 229/180
In mixed form: 149/180
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