Add 2/72 and 42/40
1st number: 2/72, 2nd number: 1 2/40
2/72 + 42/40 is 97/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
2/72 = 2 × 5/72 × 5 = 10/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
42/40 = 42 × 9/40 × 9 = 378/360 - Add the two like fractions:
10/360 + 378/360 = 10 + 378/360 = 388/360 - 388/360 simplified gives 97/90
- So, 2/72 + 42/40 = 97/90
In mixed form: 17/90
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