Add 27/8 and 30/7
1st number: 3 3/8, 2nd number: 4 2/7
27/8 + 30/7 is 429/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
27/8 = 27 × 7/8 × 7 = 189/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
30/7 = 30 × 8/7 × 8 = 240/56 - Add the two like fractions:
189/56 + 240/56 = 189 + 240/56 = 429/56 - So, 27/8 + 30/7 = 429/56
In mixed form: 737/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/8+30/7 27/8+60/7 27/16+30/7 27/8+30/14 81/8+30/7 27/8+90/7 27/24+30/7 27/8+30/21 27/40+30/7 27/8+30/35 27/56+30/7 27/8+30/49