Add 21/35 and 30/24
1st number: 21/35, 2nd number: 1 6/24
21/35 + 30/24 is 37/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 35 × 24 = 840,
21/35 = 21 × 24/35 × 24 = 504/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
30/24 = 30 × 35/24 × 35 = 1050/840 - Add the two like fractions:
504/840 + 1050/840 = 504 + 1050/840 = 1554/840 - 1554/840 simplified gives 37/20
- So, 21/35 + 30/24 = 37/20
In mixed form: 117/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/35+30/24 21/35+60/24 21/70+30/24 21/35+30/48 63/35+30/24 21/35+90/24 21/35+30/72