Add 10/9 and 12/42
1st number: 1 1/9, 2nd number: 12/42
10/9 + 12/42 is 88/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
10/9 = 10 × 14/9 × 14 = 140/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
12/42 = 12 × 3/42 × 3 = 36/126 - Add the two like fractions:
140/126 + 36/126 = 140 + 36/126 = 176/126 - 176/126 simplified gives 88/63
- So, 10/9 + 12/42 = 88/63
In mixed form: 125/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9+12/42 10/9+24/42 10/18+12/42 10/9+12/84 30/9+12/42 10/9+36/42 10/27+12/42 50/9+12/42 10/9+60/42 10/45+12/42 70/9+12/42 10/9+84/42 10/63+12/42