Add 20/40 and 72/10
1st number: 20/40, 2nd number: 7 2/10
20/40 + 72/10 is 77/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
20/40 = 20 × 1/40 × 1 = 20/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
72/10 = 72 × 4/10 × 4 = 288/40 - Add the two like fractions:
20/40 + 288/40 = 20 + 288/40 = 308/40 - 308/40 simplified gives 77/10
- So, 20/40 + 72/10 = 77/10
In mixed form: 77/10
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