Add 28/10 and 30/16
1st number: 2 8/10, 2nd number: 1 14/16
28/10 + 30/16 is 187/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
28/10 = 28 × 8/10 × 8 = 224/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
30/16 = 30 × 5/16 × 5 = 150/80 - Add the two like fractions:
224/80 + 150/80 = 224 + 150/80 = 374/80 - 374/80 simplified gives 187/40
- So, 28/10 + 30/16 = 187/40
In mixed form: 427/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/10+30/16 28/10+60/16 28/20+30/16 28/10+30/32 84/10+30/16 28/10+90/16 28/30+30/16 28/10+30/48 28/50+30/16 28/10+30/80 28/70+30/16