Add 45/35 and 42/70
1st number: 1 10/35, 2nd number: 42/70
45/35 + 42/70 is 66/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
45/35 = 45 × 2/35 × 2 = 90/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
42/70 = 42 × 1/70 × 1 = 42/70 - Add the two like fractions:
90/70 + 42/70 = 90 + 42/70 = 132/70 - 132/70 simplified gives 66/35
- So, 45/35 + 42/70 = 66/35
In mixed form: 131/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/35+42/70 45/35+84/70 45/70+42/70