Add 9/42 and 8/7
1st number: 9/42, 2nd number: 1 1/7
9/42 + 8/7 is 19/14.
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,
9/42 = 9 × 1/42 × 1 = 9/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
8/7 = 8 × 6/7 × 6 = 48/42 - Add the two like fractions:
9/42 + 48/42 = 9 + 48/42 = 57/42 - 57/42 simplified gives 19/14
- So, 9/42 + 8/7 = 19/14
In mixed form: 15/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/42+8/7 9/42+16/7 9/84+8/7 9/42+8/14 27/42+8/7 9/42+24/7 9/42+8/21 45/42+8/7 9/42+40/7 9/42+8/35 63/42+8/7 9/42+56/7 9/42+8/49