Add 42/56 and 45/4
1st number: 42/56, 2nd number: 11 1/4
42/56 + 45/4 is 12/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 4 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
42/56 = 42 × 1/56 × 1 = 42/56 - Likewise, for the 2nd fraction, since 4 × 14 = 56,
45/4 = 45 × 14/4 × 14 = 630/56 - Add the two like fractions:
42/56 + 630/56 = 42 + 630/56 = 672/56 - 672/56 simplified gives 12/1
- So, 42/56 + 45/4 = 12/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56+45/4 42/56+90/4 42/56+45/8 42/56+45/12 42/56+45/20 42/56+45/28