Add 63/60 and 84/70
1st number: 1 3/60, 2nd number: 1 14/70
63/60 + 84/70 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
63/60 = 63 × 7/60 × 7 = 441/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
84/70 = 84 × 6/70 × 6 = 504/420 - Add the two like fractions:
441/420 + 504/420 = 441 + 504/420 = 945/420 - 945/420 simplified gives 9/4
- So, 63/60 + 84/70 = 9/4
In mixed form: 21/4
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