Add 9/24 and 72/70
1st number: 9/24, 2nd number: 1 2/70
9/24 + 72/70 is 393/280.
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,
72/70 = 72 × 12/70 × 12 = 864/840 - Add the two like fractions:
315/840 + 864/840 = 315 + 864/840 = 1179/840 - 1179/840 simplified gives 393/280
- So, 9/24 + 72/70 = 393/280
In mixed form: 1113/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/24+72/70 9/48+72/70 27/24+72/70 9/72+72/70 45/24+72/70 63/24+72/70