Add 4/16 and 18/40
4/16 + 18/40 is 7/10.
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,
4/16 = 4 × 5/16 × 5 = 20/80 - Likewise, for the 2nd fraction, since 40 × 2 = 80,
18/40 = 18 × 2/40 × 2 = 36/80 - Add the two like fractions:
20/80 + 36/80 = 20 + 36/80 = 56/80 - 56/80 simplified gives 7/10
- So, 4/16 + 18/40 = 7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/16+18/40 4/16+36/40 4/32+18/40 4/16+18/80 12/16+18/40 4/16+54/40 4/48+18/40 20/16+18/40 4/16+90/40 4/80+18/40 28/16+18/40