Answers

Add 48/49 and 42/70

48/49 + 42/70 is 387/245.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 70 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 49 × 10 = 490,
   48/49 = 48 × 10/49 × 10 = 480/490
3. Likewise, for the 2nd fraction, since 70 × 7 = 490,
   42/70 = 42 × 7/70 × 7 = 294/490
4. Add the two like fractions:
   480/490 + 294/490 = 480 + 294/490 = 774/490
5. 774/490 simplified gives 387/245
6. So, 48/49 + 42/70 = 387/245
   In mixed form: 1142/245

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