Add 7/24 and 42/70
7/24 + 42/70 is 107/120.
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,
7/24 = 7 × 35/24 × 35 = 245/840 - Likewise, for the 2nd fraction, since 70 × 12 = 840,
42/70 = 42 × 12/70 × 12 = 504/840 - Add the two like fractions:
245/840 + 504/840 = 245 + 504/840 = 749/840 - 749/840 simplified gives 107/120
- So, 7/24 + 42/70 = 107/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/24+42/70 7/24+84/70 7/48+42/70 21/24+42/70 7/72+42/70 35/24+42/70 49/24+42/70