Add 28/5 and 8/72
1st number: 5 3/5, 2nd number: 8/72
28/5 + 8/72 is 257/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
28/5 = 28 × 72/5 × 72 = 2016/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
8/72 = 8 × 5/72 × 5 = 40/360 - Add the two like fractions:
2016/360 + 40/360 = 2016 + 40/360 = 2056/360 - 2056/360 simplified gives 257/45
- So, 28/5 + 8/72 = 257/45
In mixed form: 532/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/5+8/72 28/5+16/72 28/10+8/72 84/5+8/72 28/5+24/72 28/15+8/72 28/5+40/72 28/25+8/72 28/5+56/72 28/35+8/72