Add 18/70 and 90/24
1st number: 18/70, 2nd number: 3 18/24
18/70 + 90/24 is 561/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 70 × 12 = 840,
18/70 = 18 × 12/70 × 12 = 216/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
90/24 = 90 × 35/24 × 35 = 3150/840 - Add the two like fractions:
216/840 + 3150/840 = 216 + 3150/840 = 3366/840 - 3366/840 simplified gives 561/140
- So, 18/70 + 90/24 = 561/140
In mixed form: 41/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/70+90/24 18/70+90/48 54/70+90/24 18/70+90/72 90/70+90/24