Add 75/18 and 42/80
1st number: 4 3/18, 2nd number: 42/80
75/18 + 42/80 is 563/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
75/18 = 75 × 40/18 × 40 = 3000/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
42/80 = 42 × 9/80 × 9 = 378/720 - Add the two like fractions:
3000/720 + 378/720 = 3000 + 378/720 = 3378/720 - 3378/720 simplified gives 563/120
- So, 75/18 + 42/80 = 563/120
In mixed form: 483/120
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