Add 63/60 and 12/9
1st number: 1 3/60, 2nd number: 1 3/9
63/60 + 12/9 is 143/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
63/60 = 63 × 3/60 × 3 = 189/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
12/9 = 12 × 20/9 × 20 = 240/180 - Add the two like fractions:
189/180 + 240/180 = 189 + 240/180 = 429/180 - 429/180 simplified gives 143/60
- So, 63/60 + 12/9 = 143/60
In mixed form: 223/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/60+24/9 63/60+12/18 63/60+36/9 63/60+12/27 63/60+60/9 63/60+12/45 63/60+84/9 63/60+12/63