Add 63/12 and 30/35
1st number: 5 3/12, 2nd number: 30/35
63/12 + 30/35 is 171/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
63/12 = 63 × 35/12 × 35 = 2205/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
30/35 = 30 × 12/35 × 12 = 360/420 - Add the two like fractions:
2205/420 + 360/420 = 2205 + 360/420 = 2565/420 - 2565/420 simplified gives 171/28
- So, 63/12 + 30/35 = 171/28
In mixed form: 63/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/12+60/35 63/24+30/35 63/12+30/70 63/12+90/35 63/36+30/35 63/60+30/35 63/84+30/35