Add 4/70 and 63/18
1st number: 4/70, 2nd number: 3 9/18
4/70 + 63/18 is 249/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
4/70 = 4 × 9/70 × 9 = 36/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
63/18 = 63 × 35/18 × 35 = 2205/630 - Add the two like fractions:
36/630 + 2205/630 = 36 + 2205/630 = 2241/630 - 2241/630 simplified gives 249/70
- So, 4/70 + 63/18 = 249/70
In mixed form: 339/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/70+63/18 4/70+63/36 12/70+63/18 4/70+63/54 20/70+63/18 4/70+63/90 28/70+63/18