Add 8/7 and 18/30
1st number: 1 1/7, 2nd number: 18/30
8/7 + 18/30 is 61/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
8/7 = 8 × 30/7 × 30 = 240/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
18/30 = 18 × 7/30 × 7 = 126/210 - Add the two like fractions:
240/210 + 126/210 = 240 + 126/210 = 366/210 - 366/210 simplified gives 61/35
- So, 8/7 + 18/30 = 61/35
In mixed form: 126/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7+18/30 8/7+36/30 8/14+18/30 8/7+18/60 24/7+18/30 8/7+54/30 8/21+18/30 8/7+18/90 40/7+18/30 8/7+90/30 8/35+18/30 56/7+18/30 8/49+18/30