Add 16/7 and 18/90
1st number: 2 2/7, 2nd number: 18/90
16/7 + 18/90 is 87/35.
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,
16/7 = 16 × 90/7 × 90 = 1440/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
18/90 = 18 × 7/90 × 7 = 126/630 - Add the two like fractions:
1440/630 + 126/630 = 1440 + 126/630 = 1566/630 - 1566/630 simplified gives 87/35
- So, 16/7 + 18/90 = 87/35
In mixed form: 217/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/7+18/90 16/7+36/90 16/14+18/90 48/7+18/90 16/7+54/90 16/21+18/90 80/7+18/90 16/35+18/90 16/49+18/90