Add 42/20 and 50/35
1st number: 2 2/20, 2nd number: 1 15/35
42/20 + 50/35 is 247/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
42/20 = 42 × 7/20 × 7 = 294/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
50/35 = 50 × 4/35 × 4 = 200/140 - Add the two like fractions:
294/140 + 200/140 = 294 + 200/140 = 494/140 - 494/140 simplified gives 247/70
- So, 42/20 + 50/35 = 247/70
In mixed form: 337/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+50/35 42/40+50/35 42/20+50/70 42/60+50/35