Add 72/70 and 30/98
1st number: 1 2/70, 2nd number: 30/98
72/70 + 30/98 is 327/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 98 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 70 × 7 = 490,
72/70 = 72 × 7/70 × 7 = 504/490 - Likewise, for the 2nd fraction, since 98 × 5 = 490,
30/98 = 30 × 5/98 × 5 = 150/490 - Add the two like fractions:
504/490 + 150/490 = 504 + 150/490 = 654/490 - 654/490 simplified gives 327/245
- So, 72/70 + 30/98 = 327/245
In mixed form: 182/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70+60/98 72/70+90/98