Add 81/30 and 10/16
1st number: 2 21/30, 2nd number: 10/16
81/30 + 10/16 is 133/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
81/30 = 81 × 8/30 × 8 = 648/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
10/16 = 10 × 15/16 × 15 = 150/240 - Add the two like fractions:
648/240 + 150/240 = 648 + 150/240 = 798/240 - 798/240 simplified gives 133/40
- So, 81/30 + 10/16 = 133/40
In mixed form: 313/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/30+20/16 81/60+10/16 81/30+10/32 81/30+30/16 81/90+10/16 81/30+10/48 81/30+50/16 81/30+10/80 81/30+70/16