Add 3/35 and 72/90
3/35 + 72/90 is 31/35.
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,
3/35 = 3 × 18/35 × 18 = 54/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
72/90 = 72 × 7/90 × 7 = 504/630 - Add the two like fractions:
54/630 + 504/630 = 54 + 504/630 = 558/630 - 558/630 simplified gives 31/35
- So, 3/35 + 72/90 = 31/35
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