Add 2/70 and 80/63
1st number: 2/70, 2nd number: 1 17/63
2/70 + 80/63 is 409/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
2/70 = 2 × 9/70 × 9 = 18/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
80/63 = 80 × 10/63 × 10 = 800/630 - Add the two like fractions:
18/630 + 800/630 = 18 + 800/630 = 818/630 - 818/630 simplified gives 409/315
- So, 2/70 + 80/63 = 409/315
In mixed form: 194/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/70+80/63 6/70+80/63 10/70+80/63 14/70+80/63