Add 60/30 and 21/84
1st number: 2 0/30, 2nd number: 21/84
60/30 + 21/84 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
60/30 = 60 × 14/30 × 14 = 840/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
21/84 = 21 × 5/84 × 5 = 105/420 - Add the two like fractions:
840/420 + 105/420 = 840 + 105/420 = 945/420 - 945/420 simplified gives 9/4
- So, 60/30 + 21/84 = 9/4
In mixed form: 21/4
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