Add 3/72 and 42/49
3/72 + 42/49 is 151/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 49 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 72 × 49 = 3528,
3/72 = 3 × 49/72 × 49 = 147/3528 - Likewise, for the 2nd fraction, since 49 × 72 = 3528,
42/49 = 42 × 72/49 × 72 = 3024/3528 - Add the two like fractions:
147/3528 + 3024/3528 = 147 + 3024/3528 = 3171/3528 - 3171/3528 simplified gives 151/168
- So, 3/72 + 42/49 = 151/168
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