Add 6/42 and 15/80
6/42 + 15/80 is 37/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 42 × 40 = 1680,
6/42 = 6 × 40/42 × 40 = 240/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
15/80 = 15 × 21/80 × 21 = 315/1680 - Add the two like fractions:
240/1680 + 315/1680 = 240 + 315/1680 = 555/1680 - 555/1680 simplified gives 37/112
- So, 6/42 + 15/80 = 37/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/42+15/80 6/42+30/80 6/84+15/80 18/42+15/80 6/42+45/80 30/42+15/80 6/42+75/80