Add 8/98 and 72/40
1st number: 8/98, 2nd number: 1 32/40
8/98 + 72/40 is 461/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 98 × 20 = 1960,
8/98 = 8 × 20/98 × 20 = 160/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
72/40 = 72 × 49/40 × 49 = 3528/1960 - Add the two like fractions:
160/1960 + 3528/1960 = 160 + 3528/1960 = 3688/1960 - 3688/1960 simplified gives 461/245
- So, 8/98 + 72/40 = 461/245
In mixed form: 1216/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/98+72/40 8/98+72/80 24/98+72/40 40/98+72/40 56/98+72/40