Add 90/70 and 12/24
1st number: 1 20/70, 2nd number: 12/24
90/70 + 12/24 is 25/14.
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,
12/24 = 12 × 35/24 × 35 = 420/840 - Add the two like fractions:
1080/840 + 420/840 = 1080 + 420/840 = 1500/840 - 1500/840 simplified gives 25/14
- So, 90/70 + 12/24 = 25/14
In mixed form: 111/14
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