Add 3/63 and 60/70
3/63 + 60/70 is 19/21.
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,
3/63 = 3 × 10/63 × 10 = 30/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
60/70 = 60 × 9/70 × 9 = 540/630 - Add the two like fractions:
30/630 + 540/630 = 30 + 540/630 = 570/630 - 570/630 simplified gives 19/21
- So, 3/63 + 60/70 = 19/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/63+60/70 9/63+60/70 15/63+60/70 21/63+60/70