Add 28/32 and 2/20
28/32 + 2/20 is 39/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
28/32 = 28 × 5/32 × 5 = 140/160 - Likewise, for the 2nd fraction, since 20 × 8 = 160,
2/20 = 2 × 8/20 × 8 = 16/160 - Add the two like fractions:
140/160 + 16/160 = 140 + 16/160 = 156/160 - 156/160 simplified gives 39/40
- So, 28/32 + 2/20 = 39/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/32+2/20 28/32+4/20 28/64+2/20 28/32+2/40 84/32+2/20 28/32+6/20 28/96+2/20 28/32+2/60 28/32+10/20 28/32+14/20