Add 42/16 and 30/8
1st number: 2 10/16, 2nd number: 3 6/8
42/16 + 30/8 is 51/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 8 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 16 × 1 = 16,
42/16 = 42 × 1/16 × 1 = 42/16 - Likewise, for the 2nd fraction, since 8 × 2 = 16,
30/8 = 30 × 2/8 × 2 = 60/16 - Add the two like fractions:
42/16 + 60/16 = 42 + 60/16 = 102/16 - 102/16 simplified gives 51/8
- So, 42/16 + 30/8 = 51/8
In mixed form: 63/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/16+30/8 42/16+60/8 42/32+30/8 42/16+30/16 42/16+90/8 42/48+30/8 42/16+30/24 42/80+30/8 42/16+30/40 42/16+30/56