Add 42/15 and 81/50
1st number: 2 12/15, 2nd number: 1 31/50
42/15 + 81/50 is 221/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 15 × 10 = 150,
42/15 = 42 × 10/15 × 10 = 420/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
81/50 = 81 × 3/50 × 3 = 243/150 - Add the two like fractions:
420/150 + 243/150 = 420 + 243/150 = 663/150 - 663/150 simplified gives 221/50
- So, 42/15 + 81/50 = 221/50
In mixed form: 421/50
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