Add 9/24 and 90/70
1st number: 9/24, 2nd number: 1 20/70
9/24 + 90/70 is 93/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 70 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
9/24 = 9 × 35/24 × 35 = 315/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
90/70 = 90 × 12/70 × 12 = 1080/840 - Add the two like fractions:
315/840 + 1080/840 = 315 + 1080/840 = 1395/840 - 1395/840 simplified gives 93/56
- So, 9/24 + 90/70 = 93/56
In mixed form: 137/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/24+90/70 9/48+90/70 27/24+90/70 9/72+90/70 45/24+90/70 63/24+90/70