Add 56/6 and 21/45
1st number: 9 2/6, 2nd number: 21/45
56/6 + 21/45 is 49/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
56/6 = 56 × 15/6 × 15 = 840/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
21/45 = 21 × 2/45 × 2 = 42/90 - Add the two like fractions:
840/90 + 42/90 = 840 + 42/90 = 882/90 - 882/90 simplified gives 49/5
- So, 56/6 + 21/45 = 49/5
In mixed form: 94/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/6+42/45 56/12+21/45 56/6+21/90 56/6+63/45 56/18+21/45 56/30+21/45 56/42+21/45