Add 6/28 and 40/70
6/28 + 40/70 is 11/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
6/28 = 6 × 5/28 × 5 = 30/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
40/70 = 40 × 2/70 × 2 = 80/140 - Add the two like fractions:
30/140 + 80/140 = 30 + 80/140 = 110/140 - 110/140 simplified gives 11/14
- So, 6/28 + 40/70 = 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/28+40/70 6/28+80/70 6/56+40/70 18/28+40/70 6/84+40/70 30/28+40/70 42/28+40/70