Add 56/5 and 50/21
1st number: 11 1/5, 2nd number: 2 8/21
56/5 + 50/21 is 1426/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 5 × 21 = 105,
56/5 = 56 × 21/5 × 21 = 1176/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
50/21 = 50 × 5/21 × 5 = 250/105 - Add the two like fractions:
1176/105 + 250/105 = 1176 + 250/105 = 1426/105 - So, 56/5 + 50/21 = 1426/105
In mixed form: 1361/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10+50/21 56/5+50/42 56/15+50/21 56/5+50/63 56/25+50/21 56/35+50/21