Add 35/7 and 15/30
1st number: 5 0/7, 2nd number: 15/30
35/7 + 15/30 is 11/2.
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,
35/7 = 35 × 30/7 × 30 = 1050/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
15/30 = 15 × 7/30 × 7 = 105/210 - Add the two like fractions:
1050/210 + 105/210 = 1050 + 105/210 = 1155/210 - 1155/210 simplified gives 11/2
- So, 35/7 + 15/30 = 11/2
In mixed form: 51/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/7+15/30 35/14+15/30 35/7+15/60 35/7+45/30 35/21+15/30 35/7+15/90 35/7+75/30 35/49+15/30