Add 30/8 and 12/14
1st number: 3 6/8, 2nd number: 12/14
30/8 + 12/14 is 129/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 14 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
30/8 = 30 × 7/8 × 7 = 210/56 - Likewise, for the 2nd fraction, since 14 × 4 = 56,
12/14 = 12 × 4/14 × 4 = 48/56 - Add the two like fractions:
210/56 + 48/56 = 210 + 48/56 = 258/56 - 258/56 simplified gives 129/28
- So, 30/8 + 12/14 = 129/28
In mixed form: 417/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8+12/14 30/8+24/14 30/16+12/14 30/8+12/28 90/8+12/14 30/8+36/14 30/24+12/14 30/8+12/42 30/8+60/14 30/40+12/14 30/8+12/70 30/8+84/14 30/56+12/14 30/8+12/98