Add 27/63 and 1/70
27/63 + 1/70 is 31/70.
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,
27/63 = 27 × 10/63 × 10 = 270/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
1/70 = 1 × 9/70 × 9 = 9/630 - Add the two like fractions:
270/630 + 9/630 = 270 + 9/630 = 279/630 - 279/630 simplified gives 31/70
- So, 27/63 + 1/70 = 31/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63+1/70 27/63+2/70 81/63+1/70 27/63+3/70 27/63+5/70 27/63+7/70