Add 35/40 and 5/15
35/40 + 5/15 is 29/24.
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,
35/40 = 35 × 3/40 × 3 = 105/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
5/15 = 5 × 8/15 × 8 = 40/120 - Add the two like fractions:
105/120 + 40/120 = 105 + 40/120 = 145/120 - 145/120 simplified gives 29/24
- So, 35/40 + 5/15 = 29/24
In mixed form: 15/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40+5/15 35/40+10/15 35/80+5/15 35/40+5/30 35/40+5/45 35/40+25/15 35/40+5/75 35/40+35/15