/text/smath/guide/brackets.xhp Sun Microsystems, Inc. converted from old format - fpe brackets; merging formula parts formula parts; merging fractions in formulas merging;formula parts Merging Formula Parts in Brackets Inserting fractions into formulas In the case of a fraction whose numerator and denominator consist of a product, a sum, and so on, the values that belong together must be bracketed together. Use the following syntax: {a + c} over 2 = m or m = {a + c} over 2