Add 21/30 and 63/15
1st number: 21/30, 2nd number: 4 3/15
21/30 + 63/15 is 49/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
21/30 = 21 × 1/30 × 1 = 21/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
63/15 = 63 × 2/15 × 2 = 126/30 - Add the two like fractions:
21/30 + 126/30 = 21 + 126/30 = 147/30 - 147/30 simplified gives 49/10
- So, 21/30 + 63/15 = 49/10
In mixed form: 49/10
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