Add 42/20 and 72/24
1st number: 2 2/20, 2nd number: 3 0/24
42/20 + 72/24 is 51/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 20 × 6 = 120,
42/20 = 42 × 6/20 × 6 = 252/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
72/24 = 72 × 5/24 × 5 = 360/120 - Add the two like fractions:
252/120 + 360/120 = 252 + 360/120 = 612/120 - 612/120 simplified gives 51/10
- So, 42/20 + 72/24 = 51/10
In mixed form: 51/10
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