Add 63/30 and 49/21
1st number: 2 3/30, 2nd number: 2 7/21
63/30 + 49/21 is 133/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
63/30 = 63 × 7/30 × 7 = 441/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
49/21 = 49 × 10/21 × 10 = 490/210 - Add the two like fractions:
441/210 + 490/210 = 441 + 490/210 = 931/210 - 931/210 simplified gives 133/30
- So, 63/30 + 49/21 = 133/30
In mixed form: 413/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/30+98/21 63/60+49/21 63/30+49/42 63/90+49/21 63/30+49/63