Add 25/21 and 35/10
1st number: 1 4/21, 2nd number: 3 5/10
25/21 + 35/10 is 197/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
25/21 = 25 × 10/21 × 10 = 250/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
35/10 = 35 × 21/10 × 21 = 735/210 - Add the two like fractions:
250/210 + 735/210 = 250 + 735/210 = 985/210 - 985/210 simplified gives 197/42
- So, 25/21 + 35/10 = 197/42
In mixed form: 429/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/21+35/10 25/21+70/10 25/42+35/10 25/21+35/20 75/21+35/10 25/63+35/10 25/21+35/30 25/21+35/50 25/21+35/70