Add 98/8 and 70/30
1st number: 12 2/8, 2nd number: 2 10/30
98/8 + 70/30 is 175/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
98/8 = 98 × 15/8 × 15 = 1470/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
70/30 = 70 × 4/30 × 4 = 280/120 - Add the two like fractions:
1470/120 + 280/120 = 1470 + 280/120 = 1750/120 - 1750/120 simplified gives 175/12
- So, 98/8 + 70/30 = 175/12
In mixed form: 147/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/16+70/30 98/8+70/60 98/24+70/30 98/8+70/90 98/40+70/30 98/56+70/30