Add 3/72 and 6/90
3/72 + 6/90 is 13/120.
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,
6/90 = 6 × 4/90 × 4 = 24/360 - Add the two like fractions:
15/360 + 24/360 = 15 + 24/360 = 39/360 - 39/360 simplified gives 13/120
- So, 3/72 + 6/90 = 13/120
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