Add 50/7 and 42/18
1st number: 7 1/7, 2nd number: 2 6/18
50/7 + 42/18 is 199/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
50/7 = 50 × 18/7 × 18 = 900/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
42/18 = 42 × 7/18 × 7 = 294/126 - Add the two like fractions:
900/126 + 294/126 = 900 + 294/126 = 1194/126 - 1194/126 simplified gives 199/21
- So, 50/7 + 42/18 = 199/21
In mixed form: 910/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7+84/18 50/14+42/18 50/7+42/36 50/21+42/18 50/7+42/54 50/35+42/18 50/7+42/90 50/49+42/18