Add 28/14 and 90/16
1st number: 2 0/14, 2nd number: 5 10/16
28/14 + 90/16 is 61/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 16 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 14 × 8 = 112,
28/14 = 28 × 8/14 × 8 = 224/112 - Likewise, for the 2nd fraction, since 16 × 7 = 112,
90/16 = 90 × 7/16 × 7 = 630/112 - Add the two like fractions:
224/112 + 630/112 = 224 + 630/112 = 854/112 - 854/112 simplified gives 61/8
- So, 28/14 + 90/16 = 61/8
In mixed form: 75/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/14+90/16 28/14+90/32 84/14+90/16 28/42+90/16 28/14+90/48 28/70+90/16 28/14+90/80 28/98+90/16