Add 72/70 and 3/49
1st number: 1 2/70, 2nd number: 3/49
72/70 + 3/49 is 267/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 49 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 49 × 10 = 490,
3/49 = 3 × 10/49 × 10 = 30/490 - Add the two like fractions:
504/490 + 30/490 = 504 + 30/490 = 534/490 - 534/490 simplified gives 267/245
- So, 72/70 + 3/49 = 267/245
In mixed form: 122/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70+6/49 72/70+3/98 72/70+9/49 72/70+15/49 72/70+21/49