Answers

Add 90/45 and 72/35

1^st number: 2 0/45, 2^nd number: 2 2/35

90/45 + 72/35 is 142/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 35 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   90/45 = 90 × 7/45 × 7 = 630/315
3. Likewise, for the 2nd fraction, since 35 × 9 = 315,
   72/35 = 72 × 9/35 × 9 = 648/315
4. Add the two like fractions:
   630/315 + 648/315 = 630 + 648/315 = 1278/315
5. 1278/315 simplified gives 142/35
6. So, 90/45 + 72/35 = 142/35
   In mixed form: 42/35

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