Add 81/35 and 4/18
1st number: 2 11/35, 2nd number: 4/18
81/35 + 4/18 is 799/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
81/35 = 81 × 18/35 × 18 = 1458/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
4/18 = 4 × 35/18 × 35 = 140/630 - Add the two like fractions:
1458/630 + 140/630 = 1458 + 140/630 = 1598/630 - 1598/630 simplified gives 799/315
- So, 81/35 + 4/18 = 799/315
In mixed form: 2169/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/35+8/18 81/70+4/18 81/35+4/36 81/35+12/18 81/35+4/54 81/35+20/18 81/35+4/90 81/35+28/18