Add 42/56 and 12/35
42/56 + 12/35 is 153/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 35 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
42/56 = 42 × 5/56 × 5 = 210/280 - Likewise, for the 2nd fraction, since 35 × 8 = 280,
12/35 = 12 × 8/35 × 8 = 96/280 - Add the two like fractions:
210/280 + 96/280 = 210 + 96/280 = 306/280 - 306/280 simplified gives 153/140
- So, 42/56 + 12/35 = 153/140
In mixed form: 113/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56+12/35 42/56+24/35 42/56+12/70 42/56+36/35 42/56+60/35 42/56+84/35