Add 4/90 and 40/16
1st number: 4/90, 2nd number: 2 8/16
4/90 + 40/16 is 229/90.
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,
4/90 = 4 × 8/90 × 8 = 32/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
40/16 = 40 × 45/16 × 45 = 1800/720 - Add the two like fractions:
32/720 + 1800/720 = 32 + 1800/720 = 1832/720 - 1832/720 simplified gives 229/90
- So, 4/90 + 40/16 = 229/90
In mixed form: 249/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90+40/16 4/90+80/16 4/90+40/32 12/90+40/16 4/90+40/48 20/90+40/16 4/90+40/80 28/90+40/16