Add 12/90 and 72/35
1st number: 12/90, 2nd number: 2 2/35
12/90 + 72/35 is 46/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 35 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
12/90 = 12 × 7/90 × 7 = 84/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
72/35 = 72 × 18/35 × 18 = 1296/630 - Add the two like fractions:
84/630 + 1296/630 = 84 + 1296/630 = 1380/630 - 1380/630 simplified gives 46/21
- So, 12/90 + 72/35 = 46/21
In mixed form: 24/21
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