Add 35/70 and 45/24
1st number: 35/70, 2nd number: 1 21/24
35/70 + 45/24 is 19/8.
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,
35/70 = 35 × 12/70 × 12 = 420/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
45/24 = 45 × 35/24 × 35 = 1575/840 - Add the two like fractions:
420/840 + 1575/840 = 420 + 1575/840 = 1995/840 - 1995/840 simplified gives 19/8
- So, 35/70 + 45/24 = 19/8
In mixed form: 23/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 35/70+90/24 35/70+45/48 35/70+45/72