Add 90/70 and 20/24
1st number: 1 20/70, 2nd number: 20/24
90/70 + 20/24 is 89/42.
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,
90/70 = 90 × 12/70 × 12 = 1080/840 - Likewise, for the 2nd fraction, since 24 × 35 = 840,
20/24 = 20 × 35/24 × 35 = 700/840 - Add the two like fractions:
1080/840 + 700/840 = 1080 + 700/840 = 1780/840 - 1780/840 simplified gives 89/42
- So, 90/70 + 20/24 = 89/42
In mixed form: 25/42
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