Add 90/72 and 3/50
1st number: 1 18/72, 2nd number: 3/50
90/72 + 3/50 is 131/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 50 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
90/72 = 90 × 25/72 × 25 = 2250/1800 - Likewise, for the 2nd fraction, since 50 × 36 = 1800,
3/50 = 3 × 36/50 × 36 = 108/1800 - Add the two like fractions:
2250/1800 + 108/1800 = 2250 + 108/1800 = 2358/1800 - 2358/1800 simplified gives 131/100
- So, 90/72 + 3/50 = 131/100
In mixed form: 131/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/72+6/50 90/72+9/50 90/72+15/50 90/72+21/50