Add 72/40 and 2/98
1st number: 1 32/40, 2nd number: 2/98
72/40 + 2/98 is 446/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 98 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
72/40 = 72 × 49/40 × 49 = 3528/1960 - Likewise, for the 2nd fraction, since 98 × 20 = 1960,
2/98 = 2 × 20/98 × 20 = 40/1960 - Add the two like fractions:
3528/1960 + 40/1960 = 3528 + 40/1960 = 3568/1960 - 3568/1960 simplified gives 446/245
- So, 72/40 + 2/98 = 446/245
In mixed form: 1201/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40+4/98 72/80+2/98 72/40+6/98 72/40+10/98 72/40+14/98