Add 63/90 and 36/98
63/90 + 36/98 is 523/490.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 98 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 98 × 45 = 4410,
36/98 = 36 × 45/98 × 45 = 1620/4410 - Add the two like fractions:
3087/4410 + 1620/4410 = 3087 + 1620/4410 = 4707/4410 - 4707/4410 simplified gives 523/490
- So, 63/90 + 36/98 = 523/490
In mixed form: 133/490
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/90+72/98