Add 84/28 and 32/80
1st number: 3 0/28, 2nd number: 32/80
84/28 + 32/80 is 17/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 28 × 20 = 560,
84/28 = 84 × 20/28 × 20 = 1680/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
32/80 = 32 × 7/80 × 7 = 224/560 - Add the two like fractions:
1680/560 + 224/560 = 1680 + 224/560 = 1904/560 - 1904/560 simplified gives 17/5
- So, 84/28 + 32/80 = 17/5
In mixed form: 32/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/28+64/80 84/56+32/80 84/28+96/80