Add 90/9 and 5/42
1st number: 10 0/9, 2nd number: 5/42
90/9 + 5/42 is 425/42.
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,
90/9 = 90 × 14/9 × 14 = 1260/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
5/42 = 5 × 3/42 × 3 = 15/126 - Add the two like fractions:
1260/126 + 15/126 = 1260 + 15/126 = 1275/126 - 1275/126 simplified gives 425/42
- So, 90/9 + 5/42 = 425/42
In mixed form: 105/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9+10/42 90/18+5/42 90/9+5/84 90/9+15/42 90/27+5/42 90/9+25/42 90/45+5/42 90/9+35/42 90/63+5/42