Add 7/45 and 5/72
7/45 + 5/72 is 9/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
7/45 = 7 × 8/45 × 8 = 56/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
5/72 = 5 × 5/72 × 5 = 25/360 - Add the two like fractions:
56/360 + 25/360 = 56 + 25/360 = 81/360 - 81/360 simplified gives 9/40
- So, 7/45 + 5/72 = 9/40
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