Add 15/8 and 4/42
1st number: 1 7/8, 2nd number: 4/42
15/8 + 4/42 is 331/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
15/8 = 15 × 21/8 × 21 = 315/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
4/42 = 4 × 4/42 × 4 = 16/168 - Add the two like fractions:
315/168 + 16/168 = 315 + 16/168 = 331/168 - So, 15/8 + 4/42 = 331/168
In mixed form: 1163/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/8+4/42 15/8+8/42 15/16+4/42 15/8+4/84 45/8+4/42 15/8+12/42 15/24+4/42 75/8+4/42 15/8+20/42 15/40+4/42 15/8+28/42 15/56+4/42