Add 90/50 and 4/72
1st number: 1 40/50, 2nd number: 4/72
90/50 + 4/72 is 167/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 50 × 36 = 1800,
90/50 = 90 × 36/50 × 36 = 3240/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
4/72 = 4 × 25/72 × 25 = 100/1800 - Add the two like fractions:
3240/1800 + 100/1800 = 3240 + 100/1800 = 3340/1800 - 3340/1800 simplified gives 167/90
- So, 90/50 + 4/72 = 167/90
In mixed form: 177/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/50+8/72 90/50+12/72 90/50+20/72 90/50+28/72