Add 28/80 and 50/14
1st number: 28/80, 2nd number: 3 8/14
28/80 + 50/14 is 549/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 14 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
28/80 = 28 × 7/80 × 7 = 196/560 - Likewise, for the 2nd fraction, since 14 × 40 = 560,
50/14 = 50 × 40/14 × 40 = 2000/560 - Add the two like fractions:
196/560 + 2000/560 = 196 + 2000/560 = 2196/560 - 2196/560 simplified gives 549/140
- So, 28/80 + 50/14 = 549/140
In mixed form: 3129/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/80+50/14 28/80+50/28 84/80+50/14 28/80+50/42 28/80+50/70 28/80+50/98