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