Add 42/5 and 72/16
1st number: 8 2/5, 2nd number: 4 8/16
42/5 + 72/16 is 129/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
42/5 = 42 × 16/5 × 16 = 672/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
72/16 = 72 × 5/16 × 5 = 360/80 - Add the two like fractions:
672/80 + 360/80 = 672 + 360/80 = 1032/80 - 1032/80 simplified gives 129/10
- So, 42/5 + 72/16 = 129/10
In mixed form: 129/10
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