Add 70/30 and 21/24
1st number: 2 10/30, 2nd number: 21/24
70/30 + 21/24 is 77/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
70/30 = 70 × 4/30 × 4 = 280/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
21/24 = 21 × 5/24 × 5 = 105/120 - Add the two like fractions:
280/120 + 105/120 = 280 + 105/120 = 385/120 - 385/120 simplified gives 77/24
- So, 70/30 + 21/24 = 77/24
In mixed form: 35/24
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