Add 63/21 and 10/49
1st number: 3 0/21, 2nd number: 10/49
63/21 + 10/49 is 157/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
63/21 = 63 × 7/21 × 7 = 441/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
10/49 = 10 × 3/49 × 3 = 30/147 - Add the two like fractions:
441/147 + 30/147 = 441 + 30/147 = 471/147 - 471/147 simplified gives 157/49
- So, 63/21 + 10/49 = 157/49
In mixed form: 310/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/21+20/49 63/42+10/49 63/21+10/98 63/21+30/49 63/21+50/49 63/21+70/49