Add 3/8 and 81/30
1st number: 3/8, 2nd number: 2 21/30
3/8 + 81/30 is 123/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
3/8 = 3 × 15/8 × 15 = 45/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
81/30 = 81 × 4/30 × 4 = 324/120 - Add the two like fractions:
45/120 + 324/120 = 45 + 324/120 = 369/120 - 369/120 simplified gives 123/40
- So, 3/8 + 81/30 = 123/40
In mixed form: 33/40
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