Add 48/15 and 72/42
1st number: 3 3/15, 2nd number: 1 30/42
48/15 + 72/42 is 172/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
48/15 = 48 × 14/15 × 14 = 672/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
72/42 = 72 × 5/42 × 5 = 360/210 - Add the two like fractions:
672/210 + 360/210 = 672 + 360/210 = 1032/210 - 1032/210 simplified gives 172/35
- So, 48/15 + 72/42 = 172/35
In mixed form: 432/35
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