Add 30/50 and 21/8
1st number: 30/50, 2nd number: 2 5/8
30/50 + 21/8 is 129/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
30/50 = 30 × 4/50 × 4 = 120/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
21/8 = 21 × 25/8 × 25 = 525/200 - Add the two like fractions:
120/200 + 525/200 = 120 + 525/200 = 645/200 - 645/200 simplified gives 129/40
- So, 30/50 + 21/8 = 129/40
In mixed form: 39/40
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