Add 70/45 and 72/35, Solve 1 25/45 + 2 2/35 as a fraction

Add 70/45 and 72/35

1^st number: 1 25/45, 2^nd number: 2 2/35

70/45 + 72/35 is 1138/315.

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
For the 1st fraction, since 45 × 7 = 315,
70/45 = 70 × 7/45 × 7 = 490/315
Likewise, for the 2nd fraction, since 35 × 9 = 315,
72/35 = 72 × 9/35 × 9 = 648/315
Add the two like fractions:
490/315 + 648/315 = 490 + 648/315 = 1138/315
So, 70/45 + 72/35 = 1138/315
In mixed form: 3193/315

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