Add 3/16 and 28/40
3/16 + 28/40 is 71/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 40 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
3/16 = 3 × 5/16 × 5 = 15/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
28/40 = 28 × 2/40 × 2 = 56/80 - Add the two like fractions:
15/80 + 56/80 = 15 + 56/80 = 71/80 - So, 3/16 + 28/40 = 71/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/16+28/40 3/16+56/40 3/32+28/40 3/16+28/80 9/16+28/40 3/16+84/40 3/48+28/40 15/16+28/40 3/80+28/40 21/16+28/40