Add 25/7 and 9/90
1st number: 3 4/7, 2nd number: 9/90
25/7 + 9/90 is 257/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
25/7 = 25 × 90/7 × 90 = 2250/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
9/90 = 9 × 7/90 × 7 = 63/630 - Add the two like fractions:
2250/630 + 63/630 = 2250 + 63/630 = 2313/630 - 2313/630 simplified gives 257/70
- So, 25/7 + 9/90 = 257/70
In mixed form: 347/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7+9/90 25/7+18/90 25/14+9/90 75/7+9/90 25/7+27/90 25/21+9/90 25/7+45/90 25/35+9/90 25/7+63/90 25/49+9/90