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