Add 16/28 and 4/20
16/28 + 4/20 is 27/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
16/28 = 16 × 5/28 × 5 = 80/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
4/20 = 4 × 7/20 × 7 = 28/140 - Add the two like fractions:
80/140 + 28/140 = 80 + 28/140 = 108/140 - 108/140 simplified gives 27/35
- So, 16/28 + 4/20 = 27/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/28+4/20 16/28+8/20 16/56+4/20 16/28+4/40 48/28+4/20 16/28+12/20 16/84+4/20 16/28+4/60 80/28+4/20 16/28+28/20