Add 40/49 and 42/30
1st number: 40/49, 2nd number: 1 12/30
40/49 + 42/30 is 543/245.
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,
40/49 = 40 × 30/49 × 30 = 1200/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
42/30 = 42 × 49/30 × 49 = 2058/1470 - Add the two like fractions:
1200/1470 + 2058/1470 = 1200 + 2058/1470 = 3258/1470 - 3258/1470 simplified gives 543/245
- So, 40/49 + 42/30 = 543/245
In mixed form: 253/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/49+42/30 40/49+84/30 40/98+42/30 40/49+42/60 40/49+42/90