Add 5/90 and 21/72
5/90 + 21/72 is 25/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
5/90 = 5 × 4/90 × 4 = 20/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
21/72 = 21 × 5/72 × 5 = 105/360 - Add the two like fractions:
20/360 + 105/360 = 20 + 105/360 = 125/360 - 125/360 simplified gives 25/72
- So, 5/90 + 21/72 = 25/72
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