Add 10/30 and 81/16
1st number: 10/30, 2nd number: 5 1/16
10/30 + 81/16 is 259/48.
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,
10/30 = 10 × 8/30 × 8 = 80/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
81/16 = 81 × 15/16 × 15 = 1215/240 - Add the two like fractions:
80/240 + 1215/240 = 80 + 1215/240 = 1295/240 - 1295/240 simplified gives 259/48
- So, 10/30 + 81/16 = 259/48
In mixed form: 519/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/30+81/16 10/60+81/16 10/30+81/32 10/90+81/16 10/30+81/48 50/30+81/16 10/30+81/80 70/30+81/16