Add 90/56 and 20/16
1st number: 1 34/56, 2nd number: 1 4/16
90/56 + 20/16 is 20/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 56 × 2 = 112,
90/56 = 90 × 2/56 × 2 = 180/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
20/16 = 20 × 7/16 × 7 = 140/112 - Add the two like fractions:
180/112 + 140/112 = 180 + 140/112 = 320/112 - 320/112 simplified gives 20/7
- So, 90/56 + 20/16 = 20/7
In mixed form: 26/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/56+40/16 90/56+20/32 90/56+60/16 90/56+20/48 90/56+20/80