Add 9/40 and 2/72
9/40 + 2/72 is 91/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
9/40 = 9 × 9/40 × 9 = 81/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
2/72 = 2 × 5/72 × 5 = 10/360 - Add the two like fractions:
81/360 + 10/360 = 81 + 10/360 = 91/360 - So, 9/40 + 2/72 = 91/360
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