Add 80/28 and 8/30
1st number: 2 24/28, 2nd number: 8/30
80/28 + 8/30 is 328/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
80/28 = 80 × 15/28 × 15 = 1200/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
8/30 = 8 × 14/30 × 14 = 112/420 - Add the two like fractions:
1200/420 + 112/420 = 1200 + 112/420 = 1312/420 - 1312/420 simplified gives 328/105
- So, 80/28 + 8/30 = 328/105
In mixed form: 313/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28+16/30 80/56+8/30 80/28+8/60 80/28+24/30 80/84+8/30 80/28+8/90 80/28+40/30 80/28+56/30