Add 12/8 and 98/30
1st number: 1 4/8, 2nd number: 3 8/30
12/8 + 98/30 is 143/30.
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,
12/8 = 12 × 15/8 × 15 = 180/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
98/30 = 98 × 4/30 × 4 = 392/120 - Add the two like fractions:
180/120 + 392/120 = 180 + 392/120 = 572/120 - 572/120 simplified gives 143/30
- So, 12/8 + 98/30 = 143/30
In mixed form: 423/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/8+98/30 12/16+98/30 12/8+98/60 36/8+98/30 12/24+98/30 12/8+98/90 60/8+98/30 12/40+98/30 84/8+98/30 12/56+98/30