Add 70/8 and 27/42
1st number: 8 6/8, 2nd number: 27/42
70/8 + 27/42 is 263/28.
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,
70/8 = 70 × 21/8 × 21 = 1470/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
27/42 = 27 × 4/42 × 4 = 108/168 - Add the two like fractions:
1470/168 + 108/168 = 1470 + 108/168 = 1578/168 - 1578/168 simplified gives 263/28
- So, 70/8 + 27/42 = 263/28
In mixed form: 911/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8+54/42 70/16+27/42 70/8+27/84 70/8+81/42 70/24+27/42 70/40+27/42 70/56+27/42