Add 50/7 and 56/20
1st number: 7 1/7, 2nd number: 2 16/20
50/7 + 56/20 is 348/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 7 × 20 = 140,
50/7 = 50 × 20/7 × 20 = 1000/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
56/20 = 56 × 7/20 × 7 = 392/140 - Add the two like fractions:
1000/140 + 392/140 = 1000 + 392/140 = 1392/140 - 1392/140 simplified gives 348/35
- So, 50/7 + 56/20 = 348/35
In mixed form: 933/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/14+56/20 50/7+56/40 50/21+56/20 50/7+56/60 50/35+56/20 50/49+56/20