Add 70/18 and 98/8
1st number: 3 16/18, 2nd number: 12 2/8
70/18 + 98/8 is 581/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
70/18 = 70 × 4/18 × 4 = 280/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
98/8 = 98 × 9/8 × 9 = 882/72 - Add the two like fractions:
280/72 + 882/72 = 280 + 882/72 = 1162/72 - 1162/72 simplified gives 581/36
- So, 70/18 + 98/8 = 581/36
In mixed form: 165/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/36+98/8 70/18+98/16 70/54+98/8 70/18+98/24 70/90+98/8 70/18+98/40 70/18+98/56