Add 21/18 and 70/50
1st number: 1 3/18, 2nd number: 1 20/50
21/18 + 70/50 is 77/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
21/18 = 21 × 25/18 × 25 = 525/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
70/50 = 70 × 9/50 × 9 = 630/450 - Add the two like fractions:
525/450 + 630/450 = 525 + 630/450 = 1155/450 - 1155/450 simplified gives 77/30
- So, 21/18 + 70/50 = 77/30
In mixed form: 217/30
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