Add 14/70 and 20/28
14/70 + 20/28 is 32/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
14/70 = 14 × 2/70 × 2 = 28/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
20/28 = 20 × 5/28 × 5 = 100/140 - Add the two like fractions:
28/140 + 100/140 = 28 + 100/140 = 128/140 - 128/140 simplified gives 32/35
- So, 14/70 + 20/28 = 32/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/70+20/28 14/70+40/28 14/70+20/56 42/70+20/28 14/70+60/28 14/70+20/84 98/70+20/28