Add 10/30 and 12/14
10/30 + 12/14 is 25/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
10/30 = 10 × 7/30 × 7 = 70/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
12/14 = 12 × 15/14 × 15 = 180/210 - Add the two like fractions:
70/210 + 180/210 = 70 + 180/210 = 250/210 - 250/210 simplified gives 25/21
- So, 10/30 + 12/14 = 25/21
In mixed form: 14/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30+12/14 10/30+24/14 10/60+12/14 10/30+12/28 10/30+36/14 10/90+12/14 10/30+12/42 50/30+12/14 10/30+60/14 10/30+12/70 70/30+12/14 10/30+84/14 10/30+12/98