Add 21/14 and 18/60
1st number: 1 7/14, 2nd number: 18/60
21/14 + 18/60 is 9/5.
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,
21/14 = 21 × 30/14 × 30 = 630/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
18/60 = 18 × 7/60 × 7 = 126/420 - Add the two like fractions:
630/420 + 126/420 = 630 + 126/420 = 756/420 - 756/420 simplified gives 9/5
- So, 21/14 + 18/60 = 9/5
In mixed form: 14/5
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