Add 15/49 and 42/30
1st number: 15/49, 2nd number: 1 12/30
15/49 + 42/30 is 418/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 49 × 30 = 1470,
15/49 = 15 × 30/49 × 30 = 450/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
42/30 = 42 × 49/30 × 49 = 2058/1470 - Add the two like fractions:
450/1470 + 2058/1470 = 450 + 2058/1470 = 2508/1470 - 2508/1470 simplified gives 418/245
- So, 15/49 + 42/30 = 418/245
In mixed form: 1173/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/49+42/30 15/49+84/30 15/98+42/30 15/49+42/60 45/49+42/30 15/49+42/90 75/49+42/30