Add 70/24 and 45/15
1st number: 2 22/24, 2nd number: 3 0/15
70/24 + 45/15 is 71/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
70/24 = 70 × 5/24 × 5 = 350/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
45/15 = 45 × 8/15 × 8 = 360/120 - Add the two like fractions:
350/120 + 360/120 = 350 + 360/120 = 710/120 - 710/120 simplified gives 71/12
- So, 70/24 + 45/15 = 71/12
In mixed form: 511/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24+90/15 70/48+45/15 70/24+45/30 70/72+45/15 70/24+45/75