Answers

Add 90/35 and 49/72

1^st number: 2 20/35, 2^nd number: 49/72

90/35 + 49/72 is 1639/504.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 72 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 35 × 72 = 2520,
   90/35 = 90 × 72/35 × 72 = 6480/2520
3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
   49/72 = 49 × 35/72 × 35 = 1715/2520
4. Add the two like fractions:
   6480/2520 + 1715/2520 = 6480 + 1715/2520 = 8195/2520
5. 8195/2520 simplified gives 1639/504
6. So, 90/35 + 49/72 = 1639/504
   In mixed form: 3127/504

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