Add 1/16 and 18/90
1/16 + 18/90 is 21/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
1/16 = 1 × 45/16 × 45 = 45/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
18/90 = 18 × 8/90 × 8 = 144/720 - Add the two like fractions:
45/720 + 144/720 = 45 + 144/720 = 189/720 - 189/720 simplified gives 21/80
- So, 1/16 + 18/90 = 21/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/16+18/90 1/16+36/90 1/32+18/90 3/16+18/90 1/16+54/90 1/48+18/90 5/16+18/90 1/80+18/90 7/16+18/90