Add 70/24 and 21/45
1st number: 2 22/24, 2nd number: 21/45
70/24 + 21/45 is 203/60.
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,
21/45 = 21 × 8/45 × 8 = 168/360 - Add the two like fractions:
1050/360 + 168/360 = 1050 + 168/360 = 1218/360 - 1218/360 simplified gives 203/60
- So, 70/24 + 21/45 = 203/60
In mixed form: 323/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/24+42/45 70/48+21/45 70/24+21/90 70/24+63/45 70/72+21/45