Add 1/28 and 25/12
1st number: 1/28, 2nd number: 2 1/12
1/28 + 25/12 is 89/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
1/28 = 1 × 3/28 × 3 = 3/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
25/12 = 25 × 7/12 × 7 = 175/84 - Add the two like fractions:
3/84 + 175/84 = 3 + 175/84 = 178/84 - 178/84 simplified gives 89/42
- So, 1/28 + 25/12 = 89/42
In mixed form: 25/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28+25/12 1/28+50/12 1/56+25/12 1/28+25/24 3/28+25/12 1/28+75/12 1/84+25/12 1/28+25/36 5/28+25/12 1/28+25/60 7/28+25/12 1/28+25/84