Add 75/7 and 50/20
1st number: 10 5/7, 2nd number: 2 10/20
75/7 + 50/20 is 185/14.
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,
75/7 = 75 × 20/7 × 20 = 1500/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
50/20 = 50 × 7/20 × 7 = 350/140 - Add the two like fractions:
1500/140 + 350/140 = 1500 + 350/140 = 1850/140 - 1850/140 simplified gives 185/14
- So, 75/7 + 50/20 = 185/14
In mixed form: 133/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/14+50/20 75/7+50/40 75/21+50/20 75/7+50/60 75/35+50/20 75/49+50/20