Add 35/10 and 21/45
1st number: 3 5/10, 2nd number: 21/45
35/10 + 21/45 is 119/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
35/10 = 35 × 9/10 × 9 = 315/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
21/45 = 21 × 2/45 × 2 = 42/90 - Add the two like fractions:
315/90 + 42/90 = 315 + 42/90 = 357/90 - 357/90 simplified gives 119/30
- So, 35/10 + 21/45 = 119/30
In mixed form: 329/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10+21/45 35/10+42/45 35/20+21/45 35/10+21/90 35/10+63/45 35/30+21/45 35/50+21/45 35/70+21/45