Add 27/7 and 15/30
1st number: 3 6/7, 2nd number: 15/30
27/7 + 15/30 is 61/14.
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,
15/30 = 15 × 7/30 × 7 = 105/210 - Add the two like fractions:
810/210 + 105/210 = 810 + 105/210 = 915/210 - 915/210 simplified gives 61/14
- So, 27/7 + 15/30 = 61/14
In mixed form: 45/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/7+15/30 27/14+15/30 27/7+15/60 81/7+15/30 27/7+45/30 27/21+15/30 27/7+15/90 27/7+75/30 27/35+15/30 27/49+15/30