Add 40/12 and 21/30
1st number: 3 4/12, 2nd number: 21/30
40/12 + 21/30 is 121/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
40/12 = 40 × 5/12 × 5 = 200/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
21/30 = 21 × 2/30 × 2 = 42/60 - Add the two like fractions:
200/60 + 42/60 = 200 + 42/60 = 242/60 - 242/60 simplified gives 121/30
- So, 40/12 + 21/30 = 121/30
In mixed form: 41/30
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