Add 30/35 and 5/7
30/35 + 5/7 is 11/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 35 × 1 = 35,
30/35 = 30 × 1/35 × 1 = 30/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
5/7 = 5 × 5/7 × 5 = 25/35 - Add the two like fractions:
30/35 + 25/35 = 30 + 25/35 = 55/35 - 55/35 simplified gives 11/7
- So, 30/35 + 5/7 = 11/7
In mixed form: 14/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/35+5/7 30/35+10/7 30/70+5/7 30/35+5/14 90/35+5/7 30/35+15/7 30/35+5/21 30/35+25/7 30/35+5/35 30/35+35/7 30/35+5/49