Add 35/42 and 12/7
1st number: 35/42, 2nd number: 1 5/7
35/42 + 12/7 is 107/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
35/42 = 35 × 1/42 × 1 = 35/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
12/7 = 12 × 6/7 × 6 = 72/42 - Add the two like fractions:
35/42 + 72/42 = 35 + 72/42 = 107/42 - So, 35/42 + 12/7 = 107/42
In mixed form: 223/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42+12/7 35/42+24/7 35/84+12/7 35/42+12/14 35/42+36/7 35/42+12/21 35/42+60/7 35/42+12/35 35/42+84/7 35/42+12/49