Add 56/35 and 10/21
1st number: 1 21/35, 2nd number: 10/21
56/35 + 10/21 is 218/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 35 × 3 = 105,
56/35 = 56 × 3/35 × 3 = 168/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
10/21 = 10 × 5/21 × 5 = 50/105 - Add the two like fractions:
168/105 + 50/105 = 168 + 50/105 = 218/105 - So, 56/35 + 10/21 = 218/105
In mixed form: 28/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/35+20/21 56/70+10/21 56/35+10/42 56/35+30/21 56/35+10/63 56/35+50/21 56/35+70/21