Add 80/8 and 3/42
1st number: 10 0/8, 2nd number: 3/42
80/8 + 3/42 is 141/14.
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,
80/8 = 80 × 21/8 × 21 = 1680/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
3/42 = 3 × 4/42 × 4 = 12/168 - Add the two like fractions:
1680/168 + 12/168 = 1680 + 12/168 = 1692/168 - 1692/168 simplified gives 141/14
- So, 80/8 + 3/42 = 141/14
In mixed form: 101/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8+6/42 80/16+3/42 80/8+3/84 80/8+9/42 80/24+3/42 80/8+15/42 80/40+3/42 80/8+21/42 80/56+3/42