Add 98/8 and 20/30
1st number: 12 2/8, 2nd number: 20/30
98/8 + 20/30 is 155/12.
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,
20/30 = 20 × 4/30 × 4 = 80/120 - Add the two like fractions:
1470/120 + 80/120 = 1470 + 80/120 = 1550/120 - 1550/120 simplified gives 155/12
- So, 98/8 + 20/30 = 155/12
In mixed form: 1211/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/8+40/30 98/16+20/30 98/8+20/60 98/8+60/30 98/24+20/30 98/8+20/90 98/40+20/30 98/56+20/30