Add 42/70 and 12/24
42/70 + 12/24 is 11/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 70 × 12 = 840,
42/70 = 42 × 12/70 × 12 = 504/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
12/24 = 12 × 35/24 × 35 = 420/840 - Add the two like fractions:
504/840 + 420/840 = 504 + 420/840 = 924/840 - 924/840 simplified gives 11/10
- So, 42/70 + 12/24 = 11/10
In mixed form: 11/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+12/24 42/70+12/48 42/70+36/24 42/70+12/72 42/70+60/24 42/70+84/24