Add 25/30 and 15/14
1st number: 25/30, 2nd number: 1 1/14
25/30 + 15/14 is 40/21.
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,
25/30 = 25 × 7/30 × 7 = 175/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
15/14 = 15 × 15/14 × 15 = 225/210 - Add the two like fractions:
175/210 + 225/210 = 175 + 225/210 = 400/210 - 400/210 simplified gives 40/21
- So, 25/30 + 15/14 = 40/21
In mixed form: 119/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/30+15/14 25/30+30/14 25/60+15/14 25/30+15/28 75/30+15/14 25/30+45/14 25/90+15/14 25/30+15/42 25/30+75/14 25/30+15/70 25/30+15/98