Add 5/90 and 90/14
1st number: 5/90, 2nd number: 6 6/14
5/90 + 90/14 is 817/126.
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,
5/90 = 5 × 7/90 × 7 = 35/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
90/14 = 90 × 45/14 × 45 = 4050/630 - Add the two like fractions:
35/630 + 4050/630 = 35 + 4050/630 = 4085/630 - 4085/630 simplified gives 817/126
- So, 5/90 + 90/14 = 817/126
In mixed form: 661/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90+90/14 5/90+90/28 15/90+90/14 5/90+90/42 25/90+90/14 5/90+90/70 35/90+90/14 5/90+90/98