Add 40/4 and 54/12
1st number: 10 0/4, 2nd number: 4 6/12
40/4 + 54/12 is 29/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 4 × 3 = 12,
40/4 = 40 × 3/4 × 3 = 120/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
54/12 = 54 × 1/12 × 1 = 54/12 - Add the two like fractions:
120/12 + 54/12 = 120 + 54/12 = 174/12 - 174/12 simplified gives 29/2
- So, 40/4 + 54/12 = 29/2
In mixed form: 141/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4+54/12 40/8+54/12 40/4+54/24 40/12+54/12 40/4+54/36 40/20+54/12 40/4+54/60 40/28+54/12 40/4+54/84