Add 1/20 and 72/10
1st number: 1/20, 2nd number: 7 2/10
1/20 + 72/10 is 29/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
1/20 = 1 × 1/20 × 1 = 1/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
72/10 = 72 × 2/10 × 2 = 144/20 - Add the two like fractions:
1/20 + 144/20 = 1 + 144/20 = 145/20 - 145/20 simplified gives 29/4
- So, 1/20 + 72/10 = 29/4
In mixed form: 71/4
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