Add 42/10 and 81/35
1st number: 4 2/10, 2nd number: 2 11/35
42/10 + 81/35 is 228/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 10 × 7 = 70,
42/10 = 42 × 7/10 × 7 = 294/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
81/35 = 81 × 2/35 × 2 = 162/70 - Add the two like fractions:
294/70 + 162/70 = 294 + 162/70 = 456/70 - 456/70 simplified gives 228/35
- So, 42/10 + 81/35 = 228/35
In mixed form: 618/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+81/35 42/20+81/35 42/10+81/70 42/30+81/35 42/50+81/35 42/70+81/35