Add 8/7 and 3/30
1st number: 1 1/7, 2nd number: 3/30
8/7 + 3/30 is 87/70.
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,
3/30 = 3 × 7/30 × 7 = 21/210 - Add the two like fractions:
240/210 + 21/210 = 240 + 21/210 = 261/210 - 261/210 simplified gives 87/70
- So, 8/7 + 3/30 = 87/70
In mixed form: 117/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7+3/30 8/7+6/30 8/14+3/30 8/7+3/60 24/7+3/30 8/7+9/30 8/21+3/30 8/7+3/90 40/7+3/30 8/7+15/30 8/35+3/30 56/7+3/30 8/7+21/30 8/49+3/30