Add 14/28 and 27/70
14/28 + 27/70 is 31/35.
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,
14/28 = 14 × 5/28 × 5 = 70/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
27/70 = 27 × 2/70 × 2 = 54/140 - Add the two like fractions:
70/140 + 54/140 = 70 + 54/140 = 124/140 - 124/140 simplified gives 31/35
- So, 14/28 + 27/70 = 31/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28+54/70 14/56+27/70 42/28+27/70 14/28+81/70 14/84+27/70 70/28+27/70 98/28+27/70