Add 9/12 and 56/40
1st number: 9/12, 2nd number: 1 16/40
9/12 + 56/40 is 43/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
9/12 = 9 × 10/12 × 10 = 90/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
56/40 = 56 × 3/40 × 3 = 168/120 - Add the two like fractions:
90/120 + 168/120 = 90 + 168/120 = 258/120 - 258/120 simplified gives 43/20
- So, 9/12 + 56/40 = 43/20
In mixed form: 23/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/12+56/40 9/24+56/40 9/12+56/80 27/12+56/40 9/36+56/40 45/12+56/40 9/60+56/40 63/12+56/40 9/84+56/40