Add 45/28 and 20/72
1st number: 1 17/28, 2nd number: 20/72
45/28 + 20/72 is 475/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
45/28 = 45 × 18/28 × 18 = 810/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
20/72 = 20 × 7/72 × 7 = 140/504 - Add the two like fractions:
810/504 + 140/504 = 810 + 140/504 = 950/504 - 950/504 simplified gives 475/252
- So, 45/28 + 20/72 = 475/252
In mixed form: 1223/252
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