Add 30/8 and 15/35
1st number: 3 6/8, 2nd number: 15/35
30/8 + 15/35 is 117/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
30/8 = 30 × 35/8 × 35 = 1050/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
15/35 = 15 × 8/35 × 8 = 120/280 - Add the two like fractions:
1050/280 + 120/280 = 1050 + 120/280 = 1170/280 - 1170/280 simplified gives 117/28
- So, 30/8 + 15/35 = 117/28
In mixed form: 45/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8+15/35 30/8+30/35 30/16+15/35 30/8+15/70 90/8+15/35 30/8+45/35 30/24+15/35 30/8+75/35 30/40+15/35 30/56+15/35