Add 30/63 and 3/70
30/63 + 3/70 is 109/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
30/63 = 30 × 10/63 × 10 = 300/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
3/70 = 3 × 9/70 × 9 = 27/630 - Add the two like fractions:
300/630 + 27/630 = 300 + 27/630 = 327/630 - 327/630 simplified gives 109/210
- So, 30/63 + 3/70 = 109/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/63+3/70 30/63+6/70 90/63+3/70 30/63+9/70 30/63+15/70 30/63+21/70