Add 42/8 and 14/30
1st number: 5 2/8, 2nd number: 14/30
42/8 + 14/30 is 343/60.
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,
42/8 = 42 × 15/8 × 15 = 630/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
14/30 = 14 × 4/30 × 4 = 56/120 - Add the two like fractions:
630/120 + 56/120 = 630 + 56/120 = 686/120 - 686/120 simplified gives 343/60
- So, 42/8 + 14/30 = 343/60
In mixed form: 543/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8+14/30 42/8+28/30 42/16+14/30 42/8+14/60 42/8+42/30 42/24+14/30 42/8+14/90 42/8+70/30 42/40+14/30 42/8+98/30 42/56+14/30