Add 10/40 and 60/15
1st number: 10/40, 2nd number: 4 0/15
10/40 + 60/15 is 17/4.
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,
10/40 = 10 × 3/40 × 3 = 30/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
60/15 = 60 × 8/15 × 8 = 480/120 - Add the two like fractions:
30/120 + 480/120 = 30 + 480/120 = 510/120 - 510/120 simplified gives 17/4
- So, 10/40 + 60/15 = 17/4
In mixed form: 41/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40+60/15 10/80+60/15 10/40+60/30 30/40+60/15 10/40+60/45 50/40+60/15 10/40+60/75 70/40+60/15