Add 45/24 and 15/70
1st number: 1 21/24, 2nd number: 15/70
45/24 + 15/70 is 117/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 70 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 24 × 35 = 840,
45/24 = 45 × 35/24 × 35 = 1575/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
15/70 = 15 × 12/70 × 12 = 180/840 - Add the two like fractions:
1575/840 + 180/840 = 1575 + 180/840 = 1755/840 - 1755/840 simplified gives 117/56
- So, 45/24 + 15/70 = 117/56
In mixed form: 25/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24+15/70 45/24+30/70 45/48+15/70 45/24+45/70 45/72+15/70 45/24+75/70