Add 21/8 and 45/3
1st number: 2 5/8, 2nd number: 15 0/3
21/8 + 45/3 is 141/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 3 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
21/8 = 21 × 3/8 × 3 = 63/24 - Likewise, for the 2nd fraction, since 3 × 8 = 24,
45/3 = 45 × 8/3 × 8 = 360/24 - Add the two like fractions:
63/24 + 360/24 = 63 + 360/24 = 423/24 - 423/24 simplified gives 141/8
- So, 21/8 + 45/3 = 141/8
In mixed form: 175/8
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