Add 10/8 and 5/42
1st number: 1 2/8, 2nd number: 5/42
10/8 + 5/42 is 115/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
10/8 = 10 × 21/8 × 21 = 210/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
5/42 = 5 × 4/42 × 4 = 20/168 - Add the two like fractions:
210/168 + 20/168 = 210 + 20/168 = 230/168 - 230/168 simplified gives 115/84
- So, 10/8 + 5/42 = 115/84
In mixed form: 131/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/8+5/42 10/8+10/42 10/16+5/42 10/8+5/84 30/8+5/42 10/8+15/42 10/24+5/42 50/8+5/42 10/8+25/42 10/40+5/42 70/8+5/42 10/8+35/42 10/56+5/42