Add 45/70 and 35/24
1st number: 45/70, 2nd number: 1 11/24
45/70 + 35/24 is 353/168.
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,
45/70 = 45 × 12/70 × 12 = 540/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
35/24 = 35 × 35/24 × 35 = 1225/840 - Add the two like fractions:
540/840 + 1225/840 = 540 + 1225/840 = 1765/840 - 1765/840 simplified gives 353/168
- So, 45/70 + 35/24 = 353/168
In mixed form: 217/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70+35/24 45/70+70/24 45/70+35/48 45/70+35/72