Add 75/40 and 21/8
1st number: 1 35/40, 2nd number: 2 5/8
75/40 + 21/8 is 9/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
75/40 = 75 × 1/40 × 1 = 75/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
21/8 = 21 × 5/8 × 5 = 105/40 - Add the two like fractions:
75/40 + 105/40 = 75 + 105/40 = 180/40 - 180/40 simplified gives 9/2
- So, 75/40 + 21/8 = 9/2
In mixed form: 41/2
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