Add 56/45 and 56/42
1st number: 1 11/45, 2nd number: 1 14/42
56/45 + 56/42 is 116/45.
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,
56/45 = 56 × 14/45 × 14 = 784/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
56/42 = 56 × 15/42 × 15 = 840/630 - Add the two like fractions:
784/630 + 840/630 = 784 + 840/630 = 1624/630 - 1624/630 simplified gives 116/45
- So, 56/45 + 56/42 = 116/45
In mixed form: 226/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90+56/42 56/45+56/84