Add 75/20 and 21/8
1st number: 3 15/20, 2nd number: 2 5/8
75/20 + 21/8 is 51/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
75/20 = 75 × 2/20 × 2 = 150/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
21/8 = 21 × 5/8 × 5 = 105/40 - Add the two like fractions:
150/40 + 105/40 = 150 + 105/40 = 255/40 - 255/40 simplified gives 51/8
- So, 75/20 + 21/8 = 51/8
In mixed form: 63/8
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