Add 35/30 and 21/8
1st number: 1 5/30, 2nd number: 2 5/8
35/30 + 21/8 is 91/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
35/30 = 35 × 4/30 × 4 = 140/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
21/8 = 21 × 15/8 × 15 = 315/120 - Add the two like fractions:
140/120 + 315/120 = 140 + 315/120 = 455/120 - 455/120 simplified gives 91/24
- So, 35/30 + 21/8 = 91/24
In mixed form: 319/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30+21/8 35/30+42/8 35/60+21/8 35/30+21/16 35/30+63/8 35/90+21/8 35/30+21/24 35/30+21/40 35/30+21/56