Add 72/20 and 8/98
1st number: 3 12/20, 2nd number: 8/98
72/20 + 8/98 is 902/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 98 is 980
Next, find the equivalent fraction of both fractional numbers with denominator 980 - For the 1st fraction, since 20 × 49 = 980,
72/20 = 72 × 49/20 × 49 = 3528/980 - Likewise, for the 2nd fraction, since 98 × 10 = 980,
8/98 = 8 × 10/98 × 10 = 80/980 - Add the two like fractions:
3528/980 + 80/980 = 3528 + 80/980 = 3608/980 - 3608/980 simplified gives 902/245
- So, 72/20 + 8/98 = 902/245
In mixed form: 3167/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20+16/98 72/40+8/98 72/20+24/98 72/60+8/98 72/20+40/98 72/20+56/98