Add 18/90 and 72/35
1st number: 18/90, 2nd number: 2 2/35
18/90 + 72/35 is 79/35.
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,
18/90 = 18 × 7/90 × 7 = 126/630 - Likewise, for the 2nd fraction, since 35 × 18 = 630,
72/35 = 72 × 18/35 × 18 = 1296/630 - Add the two like fractions:
126/630 + 1296/630 = 126 + 1296/630 = 1422/630 - 1422/630 simplified gives 79/35
- So, 18/90 + 72/35 = 79/35
In mixed form: 29/35
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