Add 8/42 and 30/24
1st number: 8/42, 2nd number: 1 6/24
8/42 + 30/24 is 121/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
8/42 = 8 × 4/42 × 4 = 32/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
30/24 = 30 × 7/24 × 7 = 210/168 - Add the two like fractions:
32/168 + 210/168 = 32 + 210/168 = 242/168 - 242/168 simplified gives 121/84
- So, 8/42 + 30/24 = 121/84
In mixed form: 137/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/42+30/24 8/42+60/24 8/84+30/24 8/42+30/48 24/42+30/24 8/42+90/24 8/42+30/72 40/42+30/24 56/42+30/24