Add 3/72 and 25/90
3/72 + 25/90 is 23/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
3/72 = 3 × 5/72 × 5 = 15/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
25/90 = 25 × 4/90 × 4 = 100/360 - Add the two like fractions:
15/360 + 100/360 = 15 + 100/360 = 115/360 - 115/360 simplified gives 23/72
- So, 3/72 + 25/90 = 23/72
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