Add 1/90 and 40/14
1st number: 1/90, 2nd number: 2 12/14
1/90 + 40/14 is 1807/630.
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,
1/90 = 1 × 7/90 × 7 = 7/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
40/14 = 40 × 45/14 × 45 = 1800/630 - Add the two like fractions:
7/630 + 1800/630 = 7 + 1800/630 = 1807/630 - So, 1/90 + 40/14 = 1807/630
In mixed form: 2547/630
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90+40/14 1/90+80/14 1/90+40/28 3/90+40/14 1/90+40/42 5/90+40/14 1/90+40/70 7/90+40/14 1/90+40/98