Add 9/5 and 16/72
1st number: 1 4/5, 2nd number: 16/72
9/5 + 16/72 is 91/45.
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,
9/5 = 9 × 72/5 × 72 = 648/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
16/72 = 16 × 5/72 × 5 = 80/360 - Add the two like fractions:
648/360 + 80/360 = 648 + 80/360 = 728/360 - 728/360 simplified gives 91/45
- So, 9/5 + 16/72 = 91/45
In mixed form: 21/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/5+16/72 9/5+32/72 9/10+16/72 27/5+16/72 9/5+48/72 9/15+16/72 45/5+16/72 9/5+80/72 9/25+16/72 63/5+16/72 9/35+16/72