Add 10/42 and 10/8
1st number: 10/42, 2nd number: 1 2/8
10/42 + 10/8 is 125/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
10/42 = 10 × 4/42 × 4 = 40/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
10/8 = 10 × 21/8 × 21 = 210/168 - Add the two like fractions:
40/168 + 210/168 = 40 + 210/168 = 250/168 - 250/168 simplified gives 125/84
- So, 10/42 + 10/8 = 125/84
In mixed form: 141/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42+10/8 10/42+20/8 10/84+10/8 10/42+10/16 30/42+10/8 10/42+30/8 10/42+10/24 50/42+10/8 10/42+50/8 10/42+10/40 70/42+10/8 10/42+70/8 10/42+10/56