Add 1/7 and 70/18
1st number: 1/7, 2nd number: 3 16/18
1/7 + 70/18 is 254/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
1/7 = 1 × 18/7 × 18 = 18/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
70/18 = 70 × 7/18 × 7 = 490/126 - Add the two like fractions:
18/126 + 490/126 = 18 + 490/126 = 508/126 - 508/126 simplified gives 254/63
- So, 1/7 + 70/18 = 254/63
In mixed form: 42/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/7+70/18 1/14+70/18 1/7+70/36 3/7+70/18 1/21+70/18 1/7+70/54 5/7+70/18 1/35+70/18 1/7+70/90 1/49+70/18