Add 25/72 and 84/40
1st number: 25/72, 2nd number: 2 4/40
25/72 + 84/40 is 881/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
25/72 = 25 × 5/72 × 5 = 125/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
84/40 = 84 × 9/40 × 9 = 756/360 - Add the two like fractions:
125/360 + 756/360 = 125 + 756/360 = 881/360 - So, 25/72 + 84/40 = 881/360
In mixed form: 2161/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/72+84/40 25/72+84/80 75/72+84/40