Add 81/30 and 10/32
1st number: 2 21/30, 2nd number: 10/32
81/30 + 10/32 is 241/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 32 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 30 × 16 = 480,
81/30 = 81 × 16/30 × 16 = 1296/480 - Likewise, for the 2nd fraction, since 32 × 15 = 480,
10/32 = 10 × 15/32 × 15 = 150/480 - Add the two like fractions:
1296/480 + 150/480 = 1296 + 150/480 = 1446/480 - 1446/480 simplified gives 241/80
- So, 81/30 + 10/32 = 241/80
In mixed form: 31/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/30+20/32 81/60+10/32 81/30+10/64 81/30+30/32 81/90+10/32 81/30+10/96 81/30+50/32 81/30+70/32