Add 8/42 and 42/4
1st number: 8/42, 2nd number: 10 2/4
8/42 + 42/4 is 449/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
8/42 = 8 × 2/42 × 2 = 16/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
42/4 = 42 × 21/4 × 21 = 882/84 - Add the two like fractions:
16/84 + 882/84 = 16 + 882/84 = 898/84 - 898/84 simplified gives 449/42
- So, 8/42 + 42/4 = 449/42
In mixed form: 1029/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/42+42/4 8/42+84/4 8/84+42/4 8/42+42/8 24/42+42/4 8/42+42/12 40/42+42/4 8/42+42/20 56/42+42/4 8/42+42/28