Add 25/36 and 42/45
25/36 + 42/45 is 293/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
25/36 = 25 × 5/36 × 5 = 125/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
42/45 = 42 × 4/45 × 4 = 168/180 - Add the two like fractions:
125/180 + 168/180 = 125 + 168/180 = 293/180 - So, 25/36 + 42/45 = 293/180
In mixed form: 1113/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/36+42/45 25/36+84/45 25/72+42/45 25/36+42/90 75/36+42/45