Add 27/40 and 25/15
1st number: 27/40, 2nd number: 1 10/15
27/40 + 25/15 is 281/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
27/40 = 27 × 3/40 × 3 = 81/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
25/15 = 25 × 8/15 × 8 = 200/120 - Add the two like fractions:
81/120 + 200/120 = 81 + 200/120 = 281/120 - So, 27/40 + 25/15 = 281/120
In mixed form: 241/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40+25/15 27/40+50/15 27/80+25/15 27/40+25/30 81/40+25/15 27/40+75/15 27/40+25/45 27/40+25/75