Add 81/50 and 28/90
1st number: 1 31/50, 2nd number: 28/90
81/50 + 28/90 is 869/450.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
81/50 = 81 × 9/50 × 9 = 729/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
28/90 = 28 × 5/90 × 5 = 140/450 - Add the two like fractions:
729/450 + 140/450 = 729 + 140/450 = 869/450 - So, 81/50 + 28/90 = 869/450
In mixed form: 1419/450
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