Add 45/16 and 4/10
1st number: 2 13/16, 2nd number: 4/10
45/16 + 4/10 is 257/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
45/16 = 45 × 5/16 × 5 = 225/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
4/10 = 4 × 8/10 × 8 = 32/80 - Add the two like fractions:
225/80 + 32/80 = 225 + 32/80 = 257/80 - So, 45/16 + 4/10 = 257/80
In mixed form: 317/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/16+4/10 45/16+8/10 45/32+4/10 45/16+4/20 45/16+12/10 45/48+4/10 45/16+4/30 45/16+20/10 45/80+4/10 45/16+4/50 45/16+28/10 45/16+4/70