Add 16/28 and 20/30
16/28 + 20/30 is 26/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
16/28 = 16 × 15/28 × 15 = 240/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
20/30 = 20 × 14/30 × 14 = 280/420 - Add the two like fractions:
240/420 + 280/420 = 240 + 280/420 = 520/420 - 520/420 simplified gives 26/21
- So, 16/28 + 20/30 = 26/21
In mixed form: 15/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/28+20/30 16/28+40/30 16/56+20/30 16/28+20/60 48/28+20/30 16/28+60/30 16/84+20/30 16/28+20/90 80/28+20/30