Add 7/42 and 5/35
7/42 + 5/35 is 13/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
7/42 = 7 × 5/42 × 5 = 35/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
5/35 = 5 × 6/35 × 6 = 30/210 - Add the two like fractions:
35/210 + 30/210 = 35 + 30/210 = 65/210 - 65/210 simplified gives 13/42
- So, 7/42 + 5/35 = 13/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/42+5/35 7/42+10/35 7/84+5/35 7/42+5/70 21/42+5/35 7/42+15/35 35/42+5/35 7/42+25/35 49/42+5/35