Add 81/20 and 10/32
1st number: 4 1/20, 2nd number: 10/32
81/20 + 10/32 is 349/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 20 × 8 = 160,
81/20 = 81 × 8/20 × 8 = 648/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
10/32 = 10 × 5/32 × 5 = 50/160 - Add the two like fractions:
648/160 + 50/160 = 648 + 50/160 = 698/160 - 698/160 simplified gives 349/80
- So, 81/20 + 10/32 = 349/80
In mixed form: 429/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/20+20/32 81/40+10/32 81/20+10/64 81/20+30/32 81/60+10/32 81/20+10/96 81/20+50/32 81/20+70/32