Add 24/70 and 72/90
24/70 + 72/90 is 8/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
24/70 = 24 × 9/70 × 9 = 216/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
72/90 = 72 × 7/90 × 7 = 504/630 - Add the two like fractions:
216/630 + 504/630 = 216 + 504/630 = 720/630 - 720/630 simplified gives 8/7
- So, 24/70 + 72/90 = 8/7
In mixed form: 11/7
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