Add 24/70 and 15/45
24/70 + 15/45 is 71/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
24/70 = 24 × 9/70 × 9 = 216/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
15/45 = 15 × 14/45 × 14 = 210/630 - Add the two like fractions:
216/630 + 210/630 = 216 + 210/630 = 426/630 - 426/630 simplified gives 71/105
- So, 24/70 + 15/45 = 71/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/70+15/45 24/70+30/45 24/70+15/90 72/70+15/45 24/70+75/45