Add 48/5 and 20/72
1st number: 9 3/5, 2nd number: 20/72
48/5 + 20/72 is 889/90.
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,
48/5 = 48 × 72/5 × 72 = 3456/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
20/72 = 20 × 5/72 × 5 = 100/360 - Add the two like fractions:
3456/360 + 100/360 = 3456 + 100/360 = 3556/360 - 3556/360 simplified gives 889/90
- So, 48/5 + 20/72 = 889/90
In mixed form: 979/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/5+20/72 48/5+40/72 48/10+20/72 48/5+60/72 48/15+20/72 48/25+20/72 48/35+20/72