Add 10/28 and 12/45
10/28 + 12/45 is 131/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
10/28 = 10 × 45/28 × 45 = 450/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
12/45 = 12 × 28/45 × 28 = 336/1260 - Add the two like fractions:
450/1260 + 336/1260 = 450 + 336/1260 = 786/1260 - 786/1260 simplified gives 131/210
- So, 10/28 + 12/45 = 131/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/28+12/45 10/28+24/45 10/56+12/45 10/28+12/90 30/28+12/45 10/28+36/45 10/84+12/45 50/28+12/45 10/28+60/45 70/28+12/45 10/28+84/45