Add 70/24 and 15/45
1st number: 2 22/24, 2nd number: 15/45
70/24 + 15/45 is 13/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
70/24 = 70 × 15/24 × 15 = 1050/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
15/45 = 15 × 8/45 × 8 = 120/360 - Add the two like fractions:
1050/360 + 120/360 = 1050 + 120/360 = 1170/360 - 1170/360 simplified gives 13/4
- So, 70/24 + 15/45 = 13/4
In mixed form: 31/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24+30/45 70/48+15/45 70/24+15/90 70/72+15/45 70/24+75/45