Add 12/4 and 35/70
1st number: 3 0/4, 2nd number: 35/70
12/4 + 35/70 is 7/2.
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,
12/4 = 12 × 35/4 × 35 = 420/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
35/70 = 35 × 2/70 × 2 = 70/140 - Add the two like fractions:
420/140 + 70/140 = 420 + 70/140 = 490/140 - 490/140 simplified gives 7/2
- So, 12/4 + 35/70 = 7/2
In mixed form: 31/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/4+35/70 12/8+35/70 36/4+35/70 60/4+35/70 12/20+35/70 84/4+35/70 12/28+35/70