Add 72/8 and 42/49
1st number: 9 0/8, 2nd number: 42/49
72/8 + 42/49 is 69/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
72/8 = 72 × 49/8 × 49 = 3528/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
42/49 = 42 × 8/49 × 8 = 336/392 - Add the two like fractions:
3528/392 + 336/392 = 3528 + 336/392 = 3864/392 - 3864/392 simplified gives 69/7
- So, 72/8 + 42/49 = 69/7
In mixed form: 96/7
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