Add 75/70 and 20/24
1st number: 1 5/70, 2nd number: 20/24
75/70 + 20/24 is 40/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 24 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 70 × 12 = 840,
75/70 = 75 × 12/70 × 12 = 900/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
20/24 = 20 × 35/24 × 35 = 700/840 - Add the two like fractions:
900/840 + 700/840 = 900 + 700/840 = 1600/840 - 1600/840 simplified gives 40/21
- So, 75/70 + 20/24 = 40/21
In mixed form: 119/21
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