Add 45/70 and 2/4
45/70 + 2/4 is 8/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 4 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
45/70 = 45 × 2/70 × 2 = 90/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
2/4 = 2 × 35/4 × 35 = 70/140 - Add the two like fractions:
90/140 + 70/140 = 90 + 70/140 = 160/140 - 160/140 simplified gives 8/7
- So, 45/70 + 2/4 = 8/7
In mixed form: 11/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70+2/4 45/70+2/8 45/70+6/4 45/70+2/12 45/70+10/4 45/70+2/20 45/70+14/4 45/70+2/28