Add 21/8 and 90/75
1st number: 2 5/8, 2nd number: 1 15/75
21/8 + 90/75 is 153/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 75 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 8 × 75 = 600,
21/8 = 21 × 75/8 × 75 = 1575/600 - Likewise, for the 2nd fraction, since 75 × 8 = 600,
90/75 = 90 × 8/75 × 8 = 720/600 - Add the two like fractions:
1575/600 + 720/600 = 1575 + 720/600 = 2295/600 - 2295/600 simplified gives 153/40
- So, 21/8 + 90/75 = 153/40
In mixed form: 333/40
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