Add 42/5 and 18/72
1st number: 8 2/5, 2nd number: 18/72
42/5 + 18/72 is 173/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
42/5 = 42 × 72/5 × 72 = 3024/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
18/72 = 18 × 5/72 × 5 = 90/360 - Add the two like fractions:
3024/360 + 90/360 = 3024 + 90/360 = 3114/360 - 3114/360 simplified gives 173/20
- So, 42/5 + 18/72 = 173/20
In mixed form: 813/20
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