Add 25/42 and 8/7
1st number: 25/42, 2nd number: 1 1/7
25/42 + 8/7 is 73/42.
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,
25/42 = 25 × 1/42 × 1 = 25/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
8/7 = 8 × 6/7 × 6 = 48/42 - Add the two like fractions:
25/42 + 48/42 = 25 + 48/42 = 73/42 - So, 25/42 + 8/7 = 73/42
In mixed form: 131/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42+8/7 25/42+16/7 25/84+8/7 25/42+8/14 75/42+8/7 25/42+24/7 25/42+8/21 25/42+40/7 25/42+8/35 25/42+56/7 25/42+8/49