Add 18/10 and 40/63
1st number: 1 8/10, 2nd number: 40/63
18/10 + 40/63 is 767/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
18/10 = 18 × 63/10 × 63 = 1134/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
40/63 = 40 × 10/63 × 10 = 400/630 - Add the two like fractions:
1134/630 + 400/630 = 1134 + 400/630 = 1534/630 - 1534/630 simplified gives 767/315
- So, 18/10 + 40/63 = 767/315
In mixed form: 2137/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/10+40/63 18/10+80/63 18/20+40/63 54/10+40/63 18/30+40/63 90/10+40/63 18/50+40/63 18/70+40/63