Add 50/7 and 40/30
1st number: 7 1/7, 2nd number: 1 10/30
50/7 + 40/30 is 178/21.
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,
50/7 = 50 × 30/7 × 30 = 1500/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
40/30 = 40 × 7/30 × 7 = 280/210 - Add the two like fractions:
1500/210 + 280/210 = 1500 + 280/210 = 1780/210 - 1780/210 simplified gives 178/21
- So, 50/7 + 40/30 = 178/21
In mixed form: 810/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7+80/30 50/14+40/30 50/7+40/60 50/21+40/30 50/7+40/90 50/35+40/30 50/49+40/30