Add 14/10 and 21/90
1st number: 1 4/10, 2nd number: 21/90
14/10 + 21/90 is 49/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
14/10 = 14 × 9/10 × 9 = 126/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
21/90 = 21 × 1/90 × 1 = 21/90 - Add the two like fractions:
126/90 + 21/90 = 126 + 21/90 = 147/90 - 147/90 simplified gives 49/30
- So, 14/10 + 21/90 = 49/30
In mixed form: 119/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/10+21/90 14/10+42/90 14/20+21/90 42/10+21/90 14/10+63/90 14/30+21/90 70/10+21/90 14/50+21/90 98/10+21/90 14/70+21/90