Add 72/35 and 40/90
1st number: 2 2/35, 2nd number: 40/90
72/35 + 40/90 is 788/315.
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,
40/90 = 40 × 7/90 × 7 = 280/630 - Add the two like fractions:
1296/630 + 280/630 = 1296 + 280/630 = 1576/630 - 1576/630 simplified gives 788/315
- So, 72/35 + 40/90 = 788/315
In mixed form: 2158/315
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