Add 10/40 and 54/12
1st number: 10/40, 2nd number: 4 6/12
10/40 + 54/12 is 19/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 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 12 × 10 = 120,
54/12 = 54 × 10/12 × 10 = 540/120 - Add the two like fractions:
30/120 + 540/120 = 30 + 540/120 = 570/120 - 570/120 simplified gives 19/4
- So, 10/40 + 54/12 = 19/4
In mixed form: 43/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/40+54/12 10/80+54/12 10/40+54/24 30/40+54/12 10/40+54/36 50/40+54/12 10/40+54/60 70/40+54/12 10/40+54/84