Add 70/8 and 60/42
1st number: 8 6/8, 2nd number: 1 18/42
70/8 + 60/42 is 285/28.
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,
60/42 = 60 × 4/42 × 4 = 240/168 - Add the two like fractions:
1470/168 + 240/168 = 1470 + 240/168 = 1710/168 - 1710/168 simplified gives 285/28
- So, 70/8 + 60/42 = 285/28
In mixed form: 105/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/16+60/42 70/8+60/84 70/24+60/42 70/40+60/42 70/56+60/42