Add 30/50 and 42/45
30/50 + 42/45 is 23/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 45 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
30/50 = 30 × 9/50 × 9 = 270/450 - Likewise, for the 2nd fraction, since 45 × 10 = 450,
42/45 = 42 × 10/45 × 10 = 420/450 - Add the two like fractions:
270/450 + 420/450 = 270 + 420/450 = 690/450 - 690/450 simplified gives 23/15
- So, 30/50 + 42/45 = 23/15
In mixed form: 18/15
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