Add 35/18 and 42/40
1st number: 1 17/18, 2nd number: 1 2/40
35/18 + 42/40 is 539/180.
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,
35/18 = 35 × 20/18 × 20 = 700/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
42/40 = 42 × 9/40 × 9 = 378/360 - Add the two like fractions:
700/360 + 378/360 = 700 + 378/360 = 1078/360 - 1078/360 simplified gives 539/180
- So, 35/18 + 42/40 = 539/180
In mixed form: 2179/180
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