Add 50/60 and 20/21
50/60 + 20/21 is 25/14.
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,
20/21 = 20 × 20/21 × 20 = 400/420 - Add the two like fractions:
350/420 + 400/420 = 350 + 400/420 = 750/420 - 750/420 simplified gives 25/14
- So, 50/60 + 20/21 = 25/14
In mixed form: 111/14
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