Add 21/10 and 10/49
1st number: 2 1/10, 2nd number: 10/49
21/10 + 10/49 is 1129/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
21/10 = 21 × 49/10 × 49 = 1029/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
10/49 = 10 × 10/49 × 10 = 100/490 - Add the two like fractions:
1029/490 + 100/490 = 1029 + 100/490 = 1129/490 - So, 21/10 + 10/49 = 1129/490
In mixed form: 2149/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/10+10/49 21/10+20/49 21/20+10/49 21/10+10/98 63/10+10/49 21/10+30/49 21/30+10/49 21/10+50/49 21/50+10/49 21/10+70/49 21/70+10/49