Add 12/10 and 42/49
1st number: 1 2/10, 2nd number: 42/49
12/10 + 42/49 is 72/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 49 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 10 × 49 = 490,
12/10 = 12 × 49/10 × 49 = 588/490 - Likewise, for the 2nd fraction, since 49 × 10 = 490,
42/49 = 42 × 10/49 × 10 = 420/490 - Add the two like fractions:
588/490 + 420/490 = 588 + 420/490 = 1008/490 - 1008/490 simplified gives 72/35
- So, 12/10 + 42/49 = 72/35
In mixed form: 22/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/10+42/49 12/10+84/49 12/20+42/49 12/10+42/98 36/10+42/49 12/30+42/49 60/10+42/49 12/50+42/49 84/10+42/49 12/70+42/49