Add 4/60 and 63/21
1st number: 4/60, 2nd number: 3 0/21
4/60 + 63/21 is 46/15.
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,
4/60 = 4 × 7/60 × 7 = 28/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
63/21 = 63 × 20/21 × 20 = 1260/420 - Add the two like fractions:
28/420 + 1260/420 = 28 + 1260/420 = 1288/420 - 1288/420 simplified gives 46/15
- So, 4/60 + 63/21 = 46/15
In mixed form: 31/15
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