Add 25/72 and 70/75
25/72 + 70/75 is 461/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 75 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
25/72 = 25 × 25/72 × 25 = 625/1800 - Likewise, for the 2nd fraction, since 75 × 24 = 1800,
70/75 = 70 × 24/75 × 24 = 1680/1800 - Add the two like fractions:
625/1800 + 1680/1800 = 625 + 1680/1800 = 2305/1800 - 2305/1800 simplified gives 461/360
- So, 25/72 + 70/75 = 461/360
In mixed form: 1101/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/72+70/75 75/72+70/75