Add 25/2 and 42/30
1st number: 12 1/2, 2nd number: 1 12/30
25/2 + 42/30 is 139/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
25/2 = 25 × 15/2 × 15 = 375/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
42/30 = 42 × 1/30 × 1 = 42/30 - Add the two like fractions:
375/30 + 42/30 = 375 + 42/30 = 417/30 - 417/30 simplified gives 139/10
- So, 25/2 + 42/30 = 139/10
In mixed form: 139/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/2+42/30 25/2+84/30 25/4+42/30 25/2+42/60 75/2+42/30 25/6+42/30 25/2+42/90 25/10+42/30 25/14+42/30