Add 45/35 and 56/42
1st number: 1 10/35, 2nd number: 1 14/42
45/35 + 56/42 is 55/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
45/35 = 45 × 6/35 × 6 = 270/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
56/42 = 56 × 5/42 × 5 = 280/210 - Add the two like fractions:
270/210 + 280/210 = 270 + 280/210 = 550/210 - 550/210 simplified gives 55/21
- So, 45/35 + 56/42 = 55/21
In mixed form: 213/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/35+56/42 45/70+56/42 45/35+56/84