Add 72/14 and 2/90
1st number: 5 2/14, 2nd number: 2/90
72/14 + 2/90 is 1627/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
72/14 = 72 × 45/14 × 45 = 3240/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
2/90 = 2 × 7/90 × 7 = 14/630 - Add the two like fractions:
3240/630 + 14/630 = 3240 + 14/630 = 3254/630 - 3254/630 simplified gives 1627/315
- So, 72/14 + 2/90 = 1627/315
In mixed form: 552/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/14+4/90 72/28+2/90 72/14+6/90 72/42+2/90 72/14+10/90 72/70+2/90 72/14+14/90 72/98+2/90