Add 3/20 and 28/32
3/20 + 28/32 is 41/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 20 × 8 = 160,
3/20 = 3 × 8/20 × 8 = 24/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
28/32 = 28 × 5/32 × 5 = 140/160 - Add the two like fractions:
24/160 + 140/160 = 24 + 140/160 = 164/160 - 164/160 simplified gives 41/40
- So, 3/20 + 28/32 = 41/40
In mixed form: 11/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20+28/32 3/20+56/32 3/40+28/32 3/20+28/64 9/20+28/32 3/20+84/32 3/60+28/32 3/20+28/96 15/20+28/32 21/20+28/32