Add 30/8 and 25/70
1st number: 3 6/8, 2nd number: 25/70
30/8 + 25/70 is 115/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 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 70 × 4 = 280,
25/70 = 25 × 4/70 × 4 = 100/280 - Add the two like fractions:
1050/280 + 100/280 = 1050 + 100/280 = 1150/280 - 1150/280 simplified gives 115/28
- So, 30/8 + 25/70 = 115/28
In mixed form: 43/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8+25/70 30/8+50/70 30/16+25/70 90/8+25/70 30/8+75/70 30/24+25/70 30/40+25/70 30/56+25/70