Add 40/90 and 60/16
1st number: 40/90, 2nd number: 3 12/16
40/90 + 60/16 is 151/36.
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,
40/90 = 40 × 8/90 × 8 = 320/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
60/16 = 60 × 45/16 × 45 = 2700/720 - Add the two like fractions:
320/720 + 2700/720 = 320 + 2700/720 = 3020/720 - 3020/720 simplified gives 151/36
- So, 40/90 + 60/16 = 151/36
In mixed form: 47/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90+60/16 40/90+60/32 40/90+60/48 40/90+60/80