Add 10/8 and 27/42
1st number: 1 2/8, 2nd number: 27/42
10/8 + 27/42 is 53/28.
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,
27/42 = 27 × 4/42 × 4 = 108/168 - Add the two like fractions:
210/168 + 108/168 = 210 + 108/168 = 318/168 - 318/168 simplified gives 53/28
- So, 10/8 + 27/42 = 53/28
In mixed form: 125/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/8+27/42 10/8+54/42 10/16+27/42 10/8+27/84 30/8+27/42 10/8+81/42 10/24+27/42 50/8+27/42 10/40+27/42 70/8+27/42 10/56+27/42