Add 8/16 and 42/30
1st number: 8/16, 2nd number: 1 12/30
8/16 + 42/30 is 19/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
8/16 = 8 × 15/16 × 15 = 120/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
42/30 = 42 × 8/30 × 8 = 336/240 - Add the two like fractions:
120/240 + 336/240 = 120 + 336/240 = 456/240 - 456/240 simplified gives 19/10
- So, 8/16 + 42/30 = 19/10
In mixed form: 19/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/16+84/30 8/32+42/30 8/16+42/60 24/16+42/30 8/48+42/30 8/16+42/90 40/16+42/30 8/80+42/30 56/16+42/30