Add 42/45 and 28/50
42/45 + 28/50 is 112/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 45 × 10 = 450,
42/45 = 42 × 10/45 × 10 = 420/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
28/50 = 28 × 9/50 × 9 = 252/450 - Add the two like fractions:
420/450 + 252/450 = 420 + 252/450 = 672/450 - 672/450 simplified gives 112/75
- So, 42/45 + 28/50 = 112/75
In mixed form: 137/75
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