Add 42/18 and 35/80
1st number: 2 6/18, 2nd number: 35/80
42/18 + 35/80 is 133/48.
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,
42/18 = 42 × 40/18 × 40 = 1680/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
35/80 = 35 × 9/80 × 9 = 315/720 - Add the two like fractions:
1680/720 + 315/720 = 1680 + 315/720 = 1995/720 - 1995/720 simplified gives 133/48
- So, 42/18 + 35/80 = 133/48
In mixed form: 237/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18+35/80 42/18+70/80 42/36+35/80 42/54+35/80 42/90+35/80