Add 3/90 and 63/14
1st number: 3/90, 2nd number: 4 7/14
3/90 + 63/14 is 68/15.
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,
3/90 = 3 × 7/90 × 7 = 21/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
63/14 = 63 × 45/14 × 45 = 2835/630 - Add the two like fractions:
21/630 + 2835/630 = 21 + 2835/630 = 2856/630 - 2856/630 simplified gives 68/15
- So, 3/90 + 63/14 = 68/15
In mixed form: 48/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90+63/14 3/90+63/28 9/90+63/14 3/90+63/42 15/90+63/14 3/90+63/70 21/90+63/14 3/90+63/98