Add 80/63 and 32/70
1st number: 1 17/63, 2nd number: 32/70
80/63 + 32/70 is 544/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
80/63 = 80 × 10/63 × 10 = 800/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
32/70 = 32 × 9/70 × 9 = 288/630 - Add the two like fractions:
800/630 + 288/630 = 800 + 288/630 = 1088/630 - 1088/630 simplified gives 544/315
- So, 80/63 + 32/70 = 544/315
In mixed form: 1229/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63+64/70 80/63+96/70