Add 10/72 and 70/25
1st number: 10/72, 2nd number: 2 20/25
10/72 + 70/25 is 529/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 25 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
10/72 = 10 × 25/72 × 25 = 250/1800 - Likewise, for the 2nd fraction, since 25 × 72 = 1800,
70/25 = 70 × 72/25 × 72 = 5040/1800 - Add the two like fractions:
250/1800 + 5040/1800 = 250 + 5040/1800 = 5290/1800 - 5290/1800 simplified gives 529/180
- So, 10/72 + 70/25 = 529/180
In mixed form: 2169/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/72+70/25 10/72+70/50 30/72+70/25 10/72+70/75 50/72+70/25 70/72+70/25