Add 63/90 and 30/49
63/90 + 30/49 is 643/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 49 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
63/90 = 63 × 49/90 × 49 = 3087/4410 - Likewise, for the 2nd fraction, since 49 × 90 = 4410,
30/49 = 30 × 90/49 × 90 = 2700/4410 - Add the two like fractions:
3087/4410 + 2700/4410 = 3087 + 2700/4410 = 5787/4410 - 5787/4410 simplified gives 643/490
- So, 63/90 + 30/49 = 643/490
In mixed form: 1153/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/90+60/49 63/90+30/98 63/90+90/49