Add 24/70 and 81/20
1st number: 24/70, 2nd number: 4 1/20
24/70 + 81/20 is 123/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
24/70 = 24 × 2/70 × 2 = 48/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
81/20 = 81 × 7/20 × 7 = 567/140 - Add the two like fractions:
48/140 + 567/140 = 48 + 567/140 = 615/140 - 615/140 simplified gives 123/28
- So, 24/70 + 81/20 = 123/28
In mixed form: 411/28
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