Add 81/10 and 30/32
1st number: 8 1/10, 2nd number: 30/32
81/10 + 30/32 is 723/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 10 × 16 = 160,
81/10 = 81 × 16/10 × 16 = 1296/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
30/32 = 30 × 5/32 × 5 = 150/160 - Add the two like fractions:
1296/160 + 150/160 = 1296 + 150/160 = 1446/160 - 1446/160 simplified gives 723/80
- So, 81/10 + 30/32 = 723/80
In mixed form: 93/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/10+60/32 81/20+30/32 81/10+30/64 81/10+90/32 81/30+30/32 81/10+30/96 81/50+30/32 81/70+30/32