Add 8/42 and 10/7
1st number: 8/42, 2nd number: 1 3/7
8/42 + 10/7 is 34/21.
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,
8/42 = 8 × 1/42 × 1 = 8/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
10/7 = 10 × 6/7 × 6 = 60/42 - Add the two like fractions:
8/42 + 60/42 = 8 + 60/42 = 68/42 - 68/42 simplified gives 34/21
- So, 8/42 + 10/7 = 34/21
In mixed form: 113/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/42+10/7 8/42+20/7 8/84+10/7 8/42+10/14 24/42+10/7 8/42+30/7 8/42+10/21 40/42+10/7 8/42+50/7 8/42+10/35 56/42+10/7 8/42+70/7 8/42+10/49