Add 21/36 and 98/56
1st number: 21/36, 2nd number: 1 42/56
21/36 + 98/56 is 7/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 36 × 14 = 504,
21/36 = 21 × 14/36 × 14 = 294/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
98/56 = 98 × 9/56 × 9 = 882/504 - Add the two like fractions:
294/504 + 882/504 = 294 + 882/504 = 1176/504 - 1176/504 simplified gives 7/3
- So, 21/36 + 98/56 = 7/3
In mixed form: 21/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/36+98/56 21/72+98/56 63/36+98/56