Add 60/12 and 3/21
1st number: 5 0/12, 2nd number: 3/21
60/12 + 3/21 is 36/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
60/12 = 60 × 7/12 × 7 = 420/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
3/21 = 3 × 4/21 × 4 = 12/84 - Add the two like fractions:
420/84 + 12/84 = 420 + 12/84 = 432/84 - 432/84 simplified gives 36/7
- So, 60/12 + 3/21 = 36/7
In mixed form: 51/7
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