Add 36/28 and 7/45
1st number: 1 8/28, 2nd number: 7/45
36/28 + 7/45 is 454/315.
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,
36/28 = 36 × 45/28 × 45 = 1620/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
7/45 = 7 × 28/45 × 28 = 196/1260 - Add the two like fractions:
1620/1260 + 196/1260 = 1620 + 196/1260 = 1816/1260 - 1816/1260 simplified gives 454/315
- So, 36/28 + 7/45 = 454/315
In mixed form: 1139/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28+7/45 36/28+14/45 36/56+7/45 36/28+7/90 36/28+21/45 36/84+7/45 36/28+35/45 36/28+49/45