Add 35/18 and 80/42
1st number: 1 17/18, 2nd number: 1 38/42
35/18 + 80/42 is 485/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
35/18 = 35 × 7/18 × 7 = 245/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
80/42 = 80 × 3/42 × 3 = 240/126 - Add the two like fractions:
245/126 + 240/126 = 245 + 240/126 = 485/126 - So, 35/18 + 80/42 = 485/126
In mixed form: 3107/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18+80/42 35/36+80/42 35/18+80/84 35/54+80/42 35/90+80/42