Add 8/72 and 90/10
1st number: 8/72, 2nd number: 9 0/10
8/72 + 90/10 is 82/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 10 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
8/72 = 8 × 5/72 × 5 = 40/360 - Likewise, for the 2nd fraction, since 10 × 36 = 360,
90/10 = 90 × 36/10 × 36 = 3240/360 - Add the two like fractions:
40/360 + 3240/360 = 40 + 3240/360 = 3280/360 - 3280/360 simplified gives 82/9
- So, 8/72 + 90/10 = 82/9
In mixed form: 91/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/72+90/10 8/72+90/20 24/72+90/10 8/72+90/30 40/72+90/10 8/72+90/50 56/72+90/10 8/72+90/70