Add 45/28 and 12/8
1st number: 1 17/28, 2nd number: 1 4/8
45/28 + 12/8 is 87/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 28 × 2 = 56,
45/28 = 45 × 2/28 × 2 = 90/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
12/8 = 12 × 7/8 × 7 = 84/56 - Add the two like fractions:
90/56 + 84/56 = 90 + 84/56 = 174/56 - 174/56 simplified gives 87/28
- So, 45/28 + 12/8 = 87/28
In mixed form: 33/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+12/8 45/28+24/8 45/56+12/8 45/28+12/16 45/28+36/8 45/84+12/8 45/28+12/24 45/28+60/8 45/28+12/40 45/28+84/8 45/28+12/56