Add 4/42 and 12/32
4/42 + 12/32 is 79/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 32 is 672
Next, find the equivalent fraction of both fractional numbers with denominator 672 - For the 1st fraction, since 42 × 16 = 672,
4/42 = 4 × 16/42 × 16 = 64/672 - Likewise, for the 2nd fraction, since 32 × 21 = 672,
12/32 = 12 × 21/32 × 21 = 252/672 - Add the two like fractions:
64/672 + 252/672 = 64 + 252/672 = 316/672 - 316/672 simplified gives 79/168
- So, 4/42 + 12/32 = 79/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/42+12/32 4/42+24/32 4/84+12/32 4/42+12/64 12/42+12/32 4/42+36/32 4/42+12/96 20/42+12/32 4/42+60/32 28/42+12/32 4/42+84/32