Add 4/72 and 21/25
4/72 + 21/25 is 403/450.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 25 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
4/72 = 4 × 25/72 × 25 = 100/1800 - Likewise, for the 2nd fraction, since 25 × 72 = 1800,
21/25 = 21 × 72/25 × 72 = 1512/1800 - Add the two like fractions:
100/1800 + 1512/1800 = 100 + 1512/1800 = 1612/1800 - 1612/1800 simplified gives 403/450
- So, 4/72 + 21/25 = 403/450
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