Add 63/12 and 18/80
1st number: 5 3/12, 2nd number: 18/80
63/12 + 18/80 is 219/40.
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,
63/12 = 63 × 20/12 × 20 = 1260/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
18/80 = 18 × 3/80 × 3 = 54/240 - Add the two like fractions:
1260/240 + 54/240 = 1260 + 54/240 = 1314/240 - 1314/240 simplified gives 219/40
- So, 63/12 + 18/80 = 219/40
In mixed form: 519/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12+36/80 63/24+18/80 63/12+54/80 63/36+18/80 63/12+90/80 63/60+18/80 63/84+18/80