Add 1/72 and 21/50
1/72 + 21/50 is 781/1800.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 50 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
1/72 = 1 × 25/72 × 25 = 25/1800 - Likewise, for the 2nd fraction, since 50 × 36 = 1800,
21/50 = 21 × 36/50 × 36 = 756/1800 - Add the two like fractions:
25/1800 + 756/1800 = 25 + 756/1800 = 781/1800 - So, 1/72 + 21/50 = 781/1800
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