Add 72/21 and 24/49
1st number: 3 9/21, 2nd number: 24/49
72/21 + 24/49 is 192/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
72/21 = 72 × 7/21 × 7 = 504/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
24/49 = 24 × 3/49 × 3 = 72/147 - Add the two like fractions:
504/147 + 72/147 = 504 + 72/147 = 576/147 - 576/147 simplified gives 192/49
- So, 72/21 + 24/49 = 192/49
In mixed form: 345/49
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