Add 27/21 and 10/35
1st number: 1 6/21, 2nd number: 10/35
27/21 + 10/35 is 11/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 35 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
27/21 = 27 × 5/21 × 5 = 135/105 - Likewise, for the 2nd fraction, since 35 × 3 = 105,
10/35 = 10 × 3/35 × 3 = 30/105 - Add the two like fractions:
135/105 + 30/105 = 135 + 30/105 = 165/105 - 165/105 simplified gives 11/7
- So, 27/21 + 10/35 = 11/7
In mixed form: 14/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/21+10/35 27/21+20/35 27/42+10/35 27/21+10/70 81/21+10/35 27/21+30/35 27/63+10/35 27/21+50/35 27/21+70/35