Add 63/60 and 12/70
1st number: 1 3/60, 2nd number: 12/70
63/60 + 12/70 is 171/140.
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,
12/70 = 12 × 6/70 × 6 = 72/420 - Add the two like fractions:
441/420 + 72/420 = 441 + 72/420 = 513/420 - 513/420 simplified gives 171/140
- So, 63/60 + 12/70 = 171/140
In mixed form: 131/140
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