Add 60/35 and 9/21
1st number: 1 25/35, 2nd number: 9/21
60/35 + 9/21 is 15/7.
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,
60/35 = 60 × 3/35 × 3 = 180/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
9/21 = 9 × 5/21 × 5 = 45/105 - Add the two like fractions:
180/105 + 45/105 = 180 + 45/105 = 225/105 - 225/105 simplified gives 15/7
- So, 60/35 + 9/21 = 15/7
In mixed form: 21/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/35+18/21 60/70+9/21 60/35+9/42 60/35+27/21 60/35+9/63 60/35+45/21 60/35+63/21