Add 25/15 and 8/72
1st number: 1 10/15, 2nd number: 8/72
25/15 + 8/72 is 16/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 15 × 24 = 360,
25/15 = 25 × 24/15 × 24 = 600/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
8/72 = 8 × 5/72 × 5 = 40/360 - Add the two like fractions:
600/360 + 40/360 = 600 + 40/360 = 640/360 - 640/360 simplified gives 16/9
- So, 25/15 + 8/72 = 16/9
In mixed form: 17/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/15+8/72 25/15+16/72 25/30+8/72 75/15+8/72 25/15+24/72 25/45+8/72 25/15+40/72 25/75+8/72 25/15+56/72