Add 63/14 and 81/60
1st number: 4 7/14, 2nd number: 1 21/60
63/14 + 81/60 is 117/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 14 × 30 = 420,
63/14 = 63 × 30/14 × 30 = 1890/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
81/60 = 81 × 7/60 × 7 = 567/420 - Add the two like fractions:
1890/420 + 567/420 = 1890 + 567/420 = 2457/420 - 2457/420 simplified gives 117/20
- So, 63/14 + 81/60 = 117/20
In mixed form: 517/20
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