Add 42/98 and 9/30
42/98 + 9/30 is 51/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 30 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 98 × 15 = 1470,
42/98 = 42 × 15/98 × 15 = 630/1470 - Likewise, for the 2nd fraction, since 30 × 49 = 1470,
9/30 = 9 × 49/30 × 49 = 441/1470 - Add the two like fractions:
630/1470 + 441/1470 = 630 + 441/1470 = 1071/1470 - 1071/1470 simplified gives 51/70
- So, 42/98 + 9/30 = 51/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/98+9/30 42/98+18/30 42/98+9/60 42/98+27/30 42/98+9/90 42/98+45/30 42/98+63/30