Add 63/90 and 36/14
1st number: 63/90, 2nd number: 2 8/14
63/90 + 36/14 is 229/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
63/90 = 63 × 7/90 × 7 = 441/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
36/14 = 36 × 45/14 × 45 = 1620/630 - Add the two like fractions:
441/630 + 1620/630 = 441 + 1620/630 = 2061/630 - 2061/630 simplified gives 229/70
- So, 63/90 + 36/14 = 229/70
In mixed form: 319/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/90+72/14 63/90+36/28 63/90+36/42 63/90+36/70 63/90+36/98