Add 27/7 and 20/30
1st number: 3 6/7, 2nd number: 20/30
27/7 + 20/30 is 95/21.
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,
27/7 = 27 × 30/7 × 30 = 810/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
20/30 = 20 × 7/30 × 7 = 140/210 - Add the two like fractions:
810/210 + 140/210 = 810 + 140/210 = 950/210 - 950/210 simplified gives 95/21
- So, 27/7 + 20/30 = 95/21
In mixed form: 411/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7+20/30 27/7+40/30 27/14+20/30 27/7+20/60 81/7+20/30 27/7+60/30 27/21+20/30 27/7+20/90 27/35+20/30 27/49+20/30