Add 60/21 and 12/42
1st number: 2 18/21, 2nd number: 12/42
60/21 + 12/42 is 22/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 21 × 2 = 42,
60/21 = 60 × 2/21 × 2 = 120/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
12/42 = 12 × 1/42 × 1 = 12/42 - Add the two like fractions:
120/42 + 12/42 = 120 + 12/42 = 132/42 - 132/42 simplified gives 22/7
- So, 60/21 + 12/42 = 22/7
In mixed form: 31/7
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