Add 20/16 and 40/56
1st number: 1 4/16, 2nd number: 40/56
20/16 + 40/56 is 55/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 56 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
20/16 = 20 × 7/16 × 7 = 140/112 - Likewise, for the 2nd fraction, since 56 × 2 = 112,
40/56 = 40 × 2/56 × 2 = 80/112 - Add the two like fractions:
140/112 + 80/112 = 140 + 80/112 = 220/112 - 220/112 simplified gives 55/28
- So, 20/16 + 40/56 = 55/28
In mixed form: 127/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/16+40/56 20/16+80/56 20/32+40/56 60/16+40/56 20/48+40/56 20/80+40/56