Add 27/45 and 98/70
1st number: 27/45, 2nd number: 1 28/70
27/45 + 98/70 is 2/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
27/45 = 27 × 14/45 × 14 = 378/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
98/70 = 98 × 9/70 × 9 = 882/630 - Add the two like fractions:
378/630 + 882/630 = 378 + 882/630 = 1260/630 - 1260/630 simplified gives 2/1
- So, 27/45 + 98/70 = 2/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45+98/70 27/90+98/70 81/45+98/70