Add 80/7 and 50/30
1st number: 11 3/7, 2nd number: 1 20/30
80/7 + 50/30 is 275/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
80/7 = 80 × 30/7 × 30 = 2400/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
50/30 = 50 × 7/30 × 7 = 350/210 - Add the two like fractions:
2400/210 + 350/210 = 2400 + 350/210 = 2750/210 - 2750/210 simplified gives 275/21
- So, 80/7 + 50/30 = 275/21
In mixed form: 132/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14+50/30 80/7+50/60 80/21+50/30 80/7+50/90 80/35+50/30 80/49+50/30