Add 70/4 and 90/50
1st number: 17 2/4, 2nd number: 1 40/50
70/4 + 90/50 is 193/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
70/4 = 70 × 25/4 × 25 = 1750/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
90/50 = 90 × 2/50 × 2 = 180/100 - Add the two like fractions:
1750/100 + 180/100 = 1750 + 180/100 = 1930/100 - 1930/100 simplified gives 193/10
- So, 70/4 + 90/50 = 193/10
In mixed form: 193/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/8+90/50 70/12+90/50 70/20+90/50 70/28+90/50