Add 12/49 and 72/70
1st number: 12/49, 2nd number: 1 2/70
12/49 + 72/70 is 312/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 70 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 49 × 10 = 490,
12/49 = 12 × 10/49 × 10 = 120/490 - Likewise, for the 2nd fraction, since 70 × 7 = 490,
72/70 = 72 × 7/70 × 7 = 504/490 - Add the two like fractions:
120/490 + 504/490 = 120 + 504/490 = 624/490 - 624/490 simplified gives 312/245
- So, 12/49 + 72/70 = 312/245
In mixed form: 167/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/49+72/70 12/98+72/70 36/49+72/70 60/49+72/70 84/49+72/70