Add 72/98 and 9/8
1st number: 72/98, 2nd number: 1 1/8
72/98 + 9/8 is 729/392.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
72/98 = 72 × 4/98 × 4 = 288/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
9/8 = 9 × 49/8 × 49 = 441/392 - Add the two like fractions:
288/392 + 441/392 = 288 + 441/392 = 729/392 - So, 72/98 + 9/8 = 729/392
In mixed form: 1337/392
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/98+18/8 72/98+9/16 72/98+27/8 72/98+9/24 72/98+45/8 72/98+9/40 72/98+63/8 72/98+9/56