Add 72/18 and 18/50
1st number: 4 0/18, 2nd number: 18/50
72/18 + 18/50 is 109/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
72/18 = 72 × 25/18 × 25 = 1800/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
18/50 = 18 × 9/50 × 9 = 162/450 - Add the two like fractions:
1800/450 + 162/450 = 1800 + 162/450 = 1962/450 - 1962/450 simplified gives 109/25
- So, 72/18 + 18/50 = 109/25
In mixed form: 49/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/18+36/50 72/36+18/50 72/18+54/50 72/54+18/50 72/18+90/50 72/90+18/50