Add 15/35 and 72/8
1st number: 15/35, 2nd number: 9 0/8
15/35 + 72/8 is 66/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
15/35 = 15 × 8/35 × 8 = 120/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
72/8 = 72 × 35/8 × 35 = 2520/280 - Add the two like fractions:
120/280 + 2520/280 = 120 + 2520/280 = 2640/280 - 2640/280 simplified gives 66/7
- So, 15/35 + 72/8 = 66/7
In mixed form: 93/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/35+72/8 15/70+72/8 15/35+72/16 45/35+72/8 15/35+72/24 75/35+72/8 15/35+72/40 15/35+72/56