Add 8/30 and 63/21
1st number: 8/30, 2nd number: 3 0/21
8/30 + 63/21 is 49/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
8/30 = 8 × 7/30 × 7 = 56/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
63/21 = 63 × 10/21 × 10 = 630/210 - Add the two like fractions:
56/210 + 630/210 = 56 + 630/210 = 686/210 - 686/210 simplified gives 49/15
- So, 8/30 + 63/21 = 49/15
In mixed form: 34/15
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