Add 50/60 and 54/21
1st number: 50/60, 2nd number: 2 12/21
50/60 + 54/21 is 143/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
50/60 = 50 × 7/60 × 7 = 350/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
54/21 = 54 × 20/21 × 20 = 1080/420 - Add the two like fractions:
350/420 + 1080/420 = 350 + 1080/420 = 1430/420 - 1430/420 simplified gives 143/42
- So, 50/60 + 54/21 = 143/42
In mixed form: 317/42
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