Add 28/56 and 81/15
1st number: 28/56, 2nd number: 5 6/15
28/56 + 81/15 is 59/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
28/56 = 28 × 15/56 × 15 = 420/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
81/15 = 81 × 56/15 × 56 = 4536/840 - Add the two like fractions:
420/840 + 4536/840 = 420 + 4536/840 = 4956/840 - 4956/840 simplified gives 59/10
- So, 28/56 + 81/15 = 59/10
In mixed form: 59/10
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