Add 12/10 and 42/56
1st number: 1 2/10, 2nd number: 42/56
12/10 + 42/56 is 39/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 10 × 28 = 280,
12/10 = 12 × 28/10 × 28 = 336/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
42/56 = 42 × 5/56 × 5 = 210/280 - Add the two like fractions:
336/280 + 210/280 = 336 + 210/280 = 546/280 - 546/280 simplified gives 39/20
- So, 12/10 + 42/56 = 39/20
In mixed form: 119/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/10+42/56 12/10+84/56 12/20+42/56 36/10+42/56 12/30+42/56 60/10+42/56 12/50+42/56 84/10+42/56 12/70+42/56