Add 5/42 and 7/5
1st number: 5/42, 2nd number: 1 2/5
5/42 + 7/5 is 319/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
5/42 = 5 × 5/42 × 5 = 25/210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,
7/5 = 7 × 42/5 × 42 = 294/210 - Add the two like fractions:
25/210 + 294/210 = 25 + 294/210 = 319/210 - So, 5/42 + 7/5 = 319/210
In mixed form: 1109/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/42+7/5 5/42+14/5 5/84+7/5 5/42+7/10 15/42+7/5 5/42+21/5 5/42+7/15 25/42+7/5 5/42+35/5 5/42+7/25 35/42+7/5 5/42+49/5 5/42+7/35