Add 42/15 and 28/56
1st number: 2 12/15, 2nd number: 28/56
42/15 + 28/56 is 33/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
42/15 = 42 × 56/15 × 56 = 2352/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
28/56 = 28 × 15/56 × 15 = 420/840 - Add the two like fractions:
2352/840 + 420/840 = 2352 + 420/840 = 2772/840 - 2772/840 simplified gives 33/10
- So, 42/15 + 28/56 = 33/10
In mixed form: 33/10
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