Add 30/2 and 42/21
1st number: 15 0/2, 2nd number: 2 0/21
302 + 4221 is 171.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
302 = 30 × 212 × 21 = 63042 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
4221 = 42 × 221 × 2 = 8442 - Add the two like fractions:
63042 + 8442 = 630 + 8442 = 71442 - 714/42 simplified gives 171
- So, 30/2 + 42/21 = 17/1
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