Add 4/72 and 42/40
1st number: 4/72, 2nd number: 1 2/40
4/72 + 42/40 is 199/180.
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,
4/72 = 4 × 5/72 × 5 = 20/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
42/40 = 42 × 9/40 × 9 = 378/360 - Add the two like fractions:
20/360 + 378/360 = 20 + 378/360 = 398/360 - 398/360 simplified gives 199/180
- So, 4/72 + 42/40 = 199/180
In mixed form: 119/180
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