Add 3/8 and 42/45
3/8 + 42/45 is 157/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
3/8 = 3 × 45/8 × 45 = 135/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
42/45 = 42 × 8/45 × 8 = 336/360 - Add the two like fractions:
135/360 + 336/360 = 135 + 336/360 = 471/360 - 471/360 simplified gives 157/120
- So, 3/8 + 42/45 = 157/120
In mixed form: 137/120
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