Add 10/45 and 98/42
1st number: 10/45, 2nd number: 2 14/42
10/45 + 98/42 is 23/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 42 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
10/45 = 10 × 14/45 × 14 = 140/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
98/42 = 98 × 15/42 × 15 = 1470/630 - Add the two like fractions:
140/630 + 1470/630 = 140 + 1470/630 = 1610/630 - 1610/630 simplified gives 23/9
- So, 10/45 + 98/42 = 23/9
In mixed form: 25/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/45+98/42 10/90+98/42 10/45+98/84 30/45+98/42 50/45+98/42 70/45+98/42