Add 28/4 and 12/70
1st number: 7 0/4, 2nd number: 12/70
28/4 + 12/70 is 251/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
28/4 = 28 × 35/4 × 35 = 980/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
12/70 = 12 × 2/70 × 2 = 24/140 - Add the two like fractions:
980/140 + 24/140 = 980 + 24/140 = 1004/140 - 1004/140 simplified gives 251/35
- So, 28/4 + 12/70 = 251/35
In mixed form: 76/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4+12/70 28/4+24/70 28/8+12/70 84/4+12/70 28/4+36/70 28/12+12/70 28/4+60/70 28/20+12/70 28/4+84/70