Add 50/21 and 18/72
1st number: 2 8/21, 2nd number: 18/72
50/21 + 18/72 is 221/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 21 × 24 = 504,
50/21 = 50 × 24/21 × 24 = 1200/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
18/72 = 18 × 7/72 × 7 = 126/504 - Add the two like fractions:
1200/504 + 126/504 = 1200 + 126/504 = 1326/504 - 1326/504 simplified gives 221/84
- So, 50/21 + 18/72 = 221/84
In mixed form: 253/84
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