Add 20/56 and 15/9
1st number: 20/56, 2nd number: 1 6/9
20/56 + 15/9 is 85/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 9 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
20/56 = 20 × 9/56 × 9 = 180/504 - Likewise, for the 2nd fraction, since 9 × 56 = 504,
15/9 = 15 × 56/9 × 56 = 840/504 - Add the two like fractions:
180/504 + 840/504 = 180 + 840/504 = 1020/504 - 1020/504 simplified gives 85/42
- So, 20/56 + 15/9 = 85/42
In mixed form: 21/42
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