Add 18/72 and 7/45
18/72 + 7/45 is 73/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
18/72 = 18 × 5/72 × 5 = 90/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
7/45 = 7 × 8/45 × 8 = 56/360 - Add the two like fractions:
90/360 + 56/360 = 90 + 56/360 = 146/360 - 146/360 simplified gives 73/180
- So, 18/72 + 7/45 = 73/180
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