Add 70/72 and 25/50
70/72 + 25/50 is 53/36.
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,
70/72 = 70 × 25/72 × 25 = 1750/1800 - Likewise, for the 2nd fraction, since 50 × 36 = 1800,
25/50 = 25 × 36/50 × 36 = 900/1800 - Add the two like fractions:
1750/1800 + 900/1800 = 1750 + 900/1800 = 2650/1800 - 2650/1800 simplified gives 53/36
- So, 70/72 + 25/50 = 53/36
In mixed form: 117/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72+75/50