Add 81/60 and 30/8
1st number: 1 21/60, 2nd number: 3 6/8
81/60 + 30/8 is 51/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
81/60 = 81 × 2/60 × 2 = 162/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
30/8 = 30 × 15/8 × 15 = 450/120 - Add the two like fractions:
162/120 + 450/120 = 162 + 450/120 = 612/120 - 612/120 simplified gives 51/10
- So, 81/60 + 30/8 = 51/10
In mixed form: 51/10
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