Add 40/45 and 60/72
40/45 + 60/72 is 31/18.
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,
40/45 = 40 × 8/45 × 8 = 320/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
60/72 = 60 × 5/72 × 5 = 300/360 - Add the two like fractions:
320/360 + 300/360 = 320 + 300/360 = 620/360 - 620/360 simplified gives 31/18
- So, 40/45 + 60/72 = 31/18
In mixed form: 113/18
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