Add 16/56 and 45/40
1st number: 16/56, 2nd number: 1 5/40
16/56 + 45/40 is 79/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
16/56 = 16 × 5/56 × 5 = 80/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
45/40 = 45 × 7/40 × 7 = 315/280 - Add the two like fractions:
80/280 + 315/280 = 80 + 315/280 = 395/280 - 395/280 simplified gives 79/56
- So, 16/56 + 45/40 = 79/56
In mixed form: 123/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/56+45/40 16/56+90/40 16/56+45/80 48/56+45/40 80/56+45/40