Add 7/30 and 81/16
1st number: 7/30, 2nd number: 5 1/16
7/30 + 81/16 is 1271/240.
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,
7/30 = 7 × 8/30 × 8 = 56/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
81/16 = 81 × 15/16 × 15 = 1215/240 - Add the two like fractions:
56/240 + 1215/240 = 56 + 1215/240 = 1271/240 - So, 7/30 + 81/16 = 1271/240
In mixed form: 571/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/30+81/16 7/60+81/16 7/30+81/32 21/30+81/16 7/90+81/16 7/30+81/48 35/30+81/16 7/30+81/80 49/30+81/16