Add 56/12 and 3/80
1st number: 4 8/12, 2nd number: 3/80
56/12 + 3/80 is 1129/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 12 × 20 = 240,
56/12 = 56 × 20/12 × 20 = 1120/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
3/80 = 3 × 3/80 × 3 = 9/240 - Add the two like fractions:
1120/240 + 9/240 = 1120 + 9/240 = 1129/240 - So, 56/12 + 3/80 = 1129/240
In mixed form: 4169/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/12+6/80 56/24+3/80 56/12+9/80 56/36+3/80 56/12+15/80 56/60+3/80 56/12+21/80 56/84+3/80