Add 50/4 and 45/70
1st number: 12 2/4, 2nd number: 45/70
50/4 + 45/70 is 92/7.
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,
50/4 = 50 × 35/4 × 35 = 1750/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
45/70 = 45 × 2/70 × 2 = 90/140 - Add the two like fractions:
1750/140 + 90/140 = 1750 + 90/140 = 1840/140 - 1840/140 simplified gives 92/7
- So, 50/4 + 45/70 = 92/7
In mixed form: 131/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4+90/70 50/8+45/70 50/12+45/70 50/20+45/70 50/28+45/70