Add 63/30 and 12/70
1st number: 2 3/30, 2nd number: 12/70
63/30 + 12/70 is 159/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
63/30 = 63 × 7/30 × 7 = 441/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
12/70 = 12 × 3/70 × 3 = 36/210 - Add the two like fractions:
441/210 + 36/210 = 441 + 36/210 = 477/210 - 477/210 simplified gives 159/70
- So, 63/30 + 12/70 = 159/70
In mixed form: 219/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/30+24/70 63/60+12/70 63/30+36/70 63/90+12/70 63/30+60/70 63/30+84/70