Add 8/7 and 27/30
1st number: 1 1/7, 2nd number: 27/30
8/7 + 27/30 is 143/70.
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,
27/30 = 27 × 7/30 × 7 = 189/210 - Add the two like fractions:
240/210 + 189/210 = 240 + 189/210 = 429/210 - 429/210 simplified gives 143/70
- So, 8/7 + 27/30 = 143/70
In mixed form: 23/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7+27/30 8/7+54/30 8/14+27/30 8/7+27/60 24/7+27/30 8/7+81/30 8/21+27/30 8/7+27/90 40/7+27/30 8/35+27/30 56/7+27/30 8/49+27/30