Add 20/90 and 1/16
20/90 + 1/16 is 41/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
20/90 = 20 × 8/90 × 8 = 160/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
1/16 = 1 × 45/16 × 45 = 45/720 - Add the two like fractions:
160/720 + 45/720 = 160 + 45/720 = 205/720 - 205/720 simplified gives 41/144
- So, 20/90 + 1/16 = 41/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/90+1/16 20/90+2/16 20/90+1/32 60/90+1/16 20/90+3/16 20/90+1/48 20/90+5/16 20/90+1/80 20/90+7/16