Add 42/5 and 72/8
1st number: 8 2/5, 2nd number: 9 0/8
42/5 + 72/8 is 87/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
42/5 = 42 × 8/5 × 8 = 336/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
72/8 = 72 × 5/8 × 5 = 360/40 - Add the two like fractions:
336/40 + 360/40 = 336 + 360/40 = 696/40 - 696/40 simplified gives 87/5
- So, 42/5 + 72/8 = 87/5
In mixed form: 172/5
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