Add 81/18 and 32/70
1st number: 4 9/18, 2nd number: 32/70
81/18 + 32/70 is 347/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
81/18 = 81 × 35/18 × 35 = 2835/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
32/70 = 32 × 9/70 × 9 = 288/630 - Add the two like fractions:
2835/630 + 288/630 = 2835 + 288/630 = 3123/630 - 3123/630 simplified gives 347/70
- So, 81/18 + 32/70 = 347/70
In mixed form: 467/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/18+64/70 81/36+32/70 81/18+96/70 81/54+32/70 81/90+32/70