Add 30/75 and 21/8
1st number: 30/75, 2nd number: 2 5/8
30/75 + 21/8 is 121/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 8 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
30/75 = 30 × 8/75 × 8 = 240/600 - Likewise, for the 2nd fraction, since 8 × 75 = 600,
21/8 = 21 × 75/8 × 75 = 1575/600 - Add the two like fractions:
240/600 + 1575/600 = 240 + 1575/600 = 1815/600 - 1815/600 simplified gives 121/40
- So, 30/75 + 21/8 = 121/40
In mixed form: 31/40
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