Add 63/80 and 70/12
1st number: 63/80, 2nd number: 5 10/12
63/80 + 70/12 is 1589/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 12 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
63/80 = 63 × 3/80 × 3 = 189/240 - Likewise, for the 2nd fraction, since 12 × 20 = 240,
70/12 = 70 × 20/12 × 20 = 1400/240 - Add the two like fractions:
189/240 + 1400/240 = 189 + 1400/240 = 1589/240 - So, 63/80 + 70/12 = 1589/240
In mixed form: 6149/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/80+70/24 63/80+70/36 63/80+70/60 63/80+70/84